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Marquise|Lab Grown|IGI

1.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG654485445

Certificate IGI LG654485445

Diamond specifications and retailer prices

From $293 USD
Save $2,417 USD (89%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG654485445 or 654485445. Listed at 28 retailers, with prices from $293 to $2,710 at Brilliant Earth, a $2,417 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654485445
Dimensions5.34 × 5.34 × 11.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.34 mm5.34 mm1.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654485445
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $2,710 USD|Low: $233 USD|High: $2,710 USD|Avg: $1,032 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 1, 2026
Retailer 15$297 USD
Retailer 3$352 USD
Retailer 13$464 USD
Retailer 8$510 USD
Retailer 17$520 USD
Retailer 6$607 USD
Retailer 4$641 USD
Retailer 22$676 USD
Retailer 19$708 USD
Retailer 10$870 USD
Retailer 7$911 USD
Retailer 21$975 USD
Retailer 18$1,020 USD
Retailer 5$1,294 USD
Retailer 12$1,448 USD
Retailer 14$1,452 USD
Retailer 11$1,487 USD
Retailer 16$1,525 USD
Retailer 2$1,580 USD
Retailer 20$1,628 USD
Retailer 9$2,600 USD
Brilliant Earth$2,710 USD

39 data points across 22 retailers

28 retailers$293 USD to $2,710 USD

A
Cheapest Retailer
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$293 USD
A
Retailer 2
-
$340 USD
View
A
Retailer 3
-
$352 USD
View
A
Retailer 4
-
$359 USD
View
A
Retailer 5
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$464 USD
View
A
Retailer 6
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$510 USD
View
A
Retailer 7
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$520 USD
View
A
Retailer 8
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$607 USD
View
A
Retailer 9
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$641 USD
€610 EUR
View
A
Retailer 10
-
$666 USD
HK$5,200 HKD
View
Price last confirmed 27 days ago
A
Retailer 11
-
$676 USD
ZAR 10,914 ZAR
View
A
Retailer 12
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$695 USD
£547 GBP
View
Price last confirmed 21 days ago
A
Retailer 13
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$710 USD
£559 GBP
View
B+
Retailer 14
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$870 USD
A$1,338 AUD
View
B+
Retailer 15
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$911 USD
View
B+
Retailer 16
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$975 USD
A$1,500 AUD
View
B+
Retailer 17
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$1,020 USD
View
B+
Retailer 18
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$1,291 USD
View
B+
Retailer 19
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$1,294 USD
SGD 1,748 SGD
View
B
Retailer 20
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$1,335 USD
View
B
Retailer 21
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$1,448 USD
£1,140 GBP
View
Price last confirmed 22 days ago
B
Retailer 22
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$1,452 USD
View
B
Retailer 23
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$1,487 USD
View
B
Retailer 24
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$1,525 USD
View
B
Retailer 25
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$1,580 USD
A$2,431 AUD
View
B
Retailer 26
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$1,628 USD
£1,282 GBP
View
B
Retailer 27
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$2,600 USD
View
Most Expensive
B
Brilliant Earth
17199563Y · Oct 1
$2,710 USD
View
27 more retailers have this diamond
Prices start from $293 USDSave up to $2,417 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
1.09ct Marquise
$293 USD