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Marquise|Lab Grown|IGI

1.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG638458260

Certificate IGI LG638458260

Diamond specifications and retailer prices

From $290 USD
Save $2,440 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,730 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 LG638458260 or 638458260. Listed at 25 retailers, with prices from $290 to $2,730 at Brilliant Earth, a $2,440 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638458260
Dimensions5.46 × 5.46 × 10.71 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
5.46 mm5.46 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638458260
Side View
Table 60.0%Crown 33.9°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.7%

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: $2,730 USD|Low: $230 USD|High: $2,730 USD|Avg: $948 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 12$323 USD
Retailer 15$416 USD
Retailer 11$584 USD
Retailer 3$603 USD
Retailer 2$613 USD
Retailer 16$627 USD
Retailer 4$657 USD
Retailer 18$660 USD
Retailer 6$688 USD
Retailer 5$806 USD
Retailer 17$872 USD
Retailer 9$1,008 USD
Retailer 7$1,295 USD
Retailer 8$1,324 USD
Retailer 13$1,457 USD
Retailer 10$1,480 USD
Retailer 14$1,544 USD
Brilliant Earth$2,730 USD

39 data points across 18 retailers

25 retailers$290 USD to $2,730 USD

A
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$323 USD
View
A
Retailer 3
-
$336 USD
View
A
Retailer 4
-
$355 USD
View
A
Retailer 5
-
$416 USD
View
A
Retailer 6
-
$422 USD
HK$3,300 HKD
View
A
Retailer 7
-
$584 USD
€556 EUR
View
A
Retailer 8
-
$603 USD
View
A
Retailer 9
-
$613 USD
ZAR 9,907 ZAR
View
A
Retailer 10
-
$616 USD
£485 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
-
$629 USD
£495 GBP
View
A
Retailer 12
-
$657 USD
View
A
Retailer 13
-
$660 USD
View
A
Retailer 14
-
$688 USD
A$1,058 AUD
View
B+
Retailer 15
-
$806 USD
View
B+
Retailer 16
-
$872 USD
A$1,342 AUD
View
B+
Retailer 17
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$1,008 USD
SGD 1,362 SGD
View
B+
Retailer 18
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$1,008 USD
View
B+
Retailer 19
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$1,155 USD
View
B+
Retailer 20
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$1,204 USD
View
B+
Retailer 21
-
$1,351 USD
View
B
Retailer 22
-
$1,457 USD
£1,147 GBP
View
B
Retailer 23
-
$1,480 USD
View
B+
Retailer 24
-
$1,544 USD
A$2,376 AUD
View
Most Expensive
B
Brilliant Earth
11000915A · Oct 1
$2,730 USD
View
24 more retailers have this diamond
Prices start from $290 USDSave up to $2,440 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
$290 USD