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Marquise|Lab Grown|IGI

1.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG651467422

Certificate IGI LG651467422

Diamond specifications and retailer prices

From $293 USD
Save $2,307 USD (89%) vs most expensive(unlock to see where)
27 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 LG651467422 or 651467422. Listed at 27 retailers, with a 787% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651467422
Dimensions5.33 × 5.33 × 11.22 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
5.33 mm5.33 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651467422
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
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: $1,062 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 19$293 USD
Retailer 23$340 USD
Retailer 6$352 USD
Retailer 7$359 USD
Retailer 18$464 USD
Retailer 12$510 USD
Retailer 20$520 USD
Retailer 9$607 USD
Retailer 2$647 USD
Retailer 5$676 USD
Retailer 22$708 USD
Retailer 15$870 USD
Retailer 11$911 USD
Retailer 3$975 USD
Retailer 21$1,020 USD
Retailer 8$1,294 USD
Retailer 4$1,335 USD
Retailer 17$1,402 USD
Retailer 10$1,452 USD
Retailer 16$1,487 USD
Retailer 13$1,580 USD
Retailer 24$1,628 USD
Retailer 14$2,600 USD
Brilliant Earth$2,710 USD

40 data points across 24 retailers

27 retailers$293 USD to $2,600 USD

A
Cheapest Retailer
-
$293 USD
A
Retailer 2
-
$340 USD
View
A
Retailer 3
-
$352 USD
View
A
Retailer 4
-
$359 USD
View
A
Retailer 5
-
$464 USD
View
A
Retailer 6
-
$510 USD
View
A
Retailer 7
-
$520 USD
View
A
Retailer 8
-
$607 USD
View
A
Retailer 9
-
$647 USD
€616 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
-
$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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$1,402 USD
£1,104 GBP
View
Price last confirmed 36 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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$1,580 USD
A$2,431 AUD
View
B+
Retailer 25
-
$1,628 USD
£1,282 GBP
View
B
Retailer 26
-
$2,600 USD
View
Most Expensive
B
Brilliant Earth
17199566Y · Sep 24
$2,710 USD
View
Price last confirmed 7 days ago
26 more retailers have this diamond
Prices start from $293 USDSave up to $2,307 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