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Marquise|Lab Grown|IGI

1.34ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787620980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787620980

Diamond specifications and retailer prices

From $806 USD
HK$6,300 HKD
As of November 3, 2026
Save $3,194 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,000 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.34ct lab-grown marquise diamond

This 1.34ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787620980 or 787620980. Listed at 14 retailers as of November 2, 2026, with prices from $806 to $4,000, a $3,194 spread on the same certified stone. Brilliant Earth lists it at $4,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620980
Dimensions11.49 × 5.68 × 3.58 mm
L/W Ratio2.02
Girdle conditionFaceted
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
11.49 mm5.68 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620980
Side View
Table 61.0%Crown 34.2°Girdle: MED-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: Nov 3
Current: $4,000 USD|Low: $806 USD|High: $4,000 USD|Avg: $1,673 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
November 3, 2026
Retailer 13$806 USD
Retailer 9$907 USD
Retailer 12$988 USD
Retailer 11$1,028 USD
Retailer 7$1,073 USD
Retailer 2$1,081 USD
Retailer 6$1,206 USD
Retailer 5$1,227 USD
Retailer 10$1,651 USD
Retailer 4$2,267 USD
Retailer 3$2,769 USD
Retailer 8$3,053 USD
Brilliant Earth$4,000 USD

43 data points across 13 retailers

14 retailers$806 USD to $4,000 USD

A
Cheapest Retailer
-
$806 USD
HK$6,300 HKD
A
Retailer 2
-
$907 USD
View
A
Retailer 3
-
$988 USD
View
A
Retailer 4
-
$1,028 USD
View
A
Retailer 5
-
$1,073 USD
€1,022 EUR
View
A
Retailer 6
-
$1,081 USD
£851 GBP
View
B+
Retailer 7
-
$1,206 USD
ZAR 19,490 ZAR
View
B+
Retailer 8
-
$1,227 USD
A$1,888 AUD
View
Retailer 9
-
$1,651 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$2,267 USD
View
B
Retailer 11
-
$2,305 USD
View
B
Retailer 12
-
$2,769 USD
View
B
Retailer 13
-
$3,053 USD
£2,404 GBP
View
Most Expensive
B
Brilliant Earth
19712375A · Nov 2
$4,000 USD
View
13 more retailers have this diamond
Prices start from $806 USDSave up to $3,194 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
1.34ct Marquise
$806 USD