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Marquise|Lab Grown|IGI

1.38ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG780663998

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663998

Diamond specifications and retailer prices

From $499 USD
HK$3,900 HKD
As of October 30, 2026
Save $1,181 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,680 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.38ct lab-grown marquise diamond

This 1.38ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780663998 or 780663998. Listed at 14 retailers as of October 30, 2026, with prices from $499 to $1,680, a $1,181 spread on the same certified stone. Brilliant Earth lists it at $1,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663998
Dimensions11.24 × 5.78 × 3.64 mm
L/W Ratio1.94
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
11.24 mm5.78 mm1.38 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663998
Side View
Table 61.0%Crown 34.7°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,680 USD|Low: $492 USD|High: $2,140 USD|Avg: $1,071 USD|-21.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$602 USD
Retailer 10$677 USD
Retailer 4$693 USD
Retailer 9$746 USD
Retailer 2$766 USD
Retailer 11$778 USD
Retailer 3$972 USD
Retailer 8$1,344 USD
Retailer 6$1,360 USD
Retailer 5$1,675 USD
Brilliant Earth$1,680 USD

44 data points across 11 retailers

14 retailers$499 USD to $1,680 USD

A
Cheapest Retailer
-
$499 USD
HK$3,900 HKD
B+
Retailer 2
-
$602 USD
View
B+
Retailer 3
-
$677 USD
View
B+
Retailer 4
-
$693 USD
€660 EUR
View
B+
Retailer 5
-
$746 USD
A$1,148 AUD
View
B+
Retailer 6
-
$766 USD
£603 GBP
View
B+
Retailer 7
-
$778 USD
View
Retailer 8
-
$972 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$1,344 USD
A$2,068 AUD
View
Price last confirmed 23 days ago
B
Retailer 10
-
$1,360 USD
View
B
Retailer 11
-
$1,414 USD
View
B
Retailer 12
-
$1,630 USD
View
B
Retailer 13
-
$1,675 USD
£1,319 GBP
View
Most Expensive
B
Brilliant Earth
19712010A · Oct 30
$1,680 USD
View
13 more retailers have this diamond
Prices start from $499 USDSave up to $1,181 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.38ct Marquise
$499 USD