Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG836611815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836611815

Diamond specifications and retailer prices

From $216 USD
As of October 23, 2026
Save $1,028 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,244 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836611815 or 836611815. Listed at 20 retailers as of October 23, 2026, with prices from $216 to $1,244, a $1,028 spread on the same certified stone. Reve Diamonds lists it at $1,244. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836611815
Dimensions11.16 × 5.71 × 3.48 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.71 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836611815
Side View
Table 63.0%Crown 34.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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 23
Current: $837 USD|Low: $207 USD|High: $1,244 USD|Avg: $623 USD
Retailer 1
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
Reve Diamonds
October 29, 2026
Retailer 3$216 USD
Retailer 8$241 USD
Retailer 5$268 USD
Retailer 11$358 USD
Retailer 6$360 USD
Retailer 15$452 USD
Retailer 12$467 USD
Retailer 10$480 USD
Retailer 9$529 USD
Retailer 14$652 USD
Retailer 16$694 USD
Retailer 2$750 USD
Retailer 1$837 USD
Retailer 7$867 USD
Retailer 4$1,070 USD
Retailer 13$1,073 USD
Reve Diamonds$1,244 USD

36 data points across 17 retailers

20 retailers$216 USD to $1,244 USD

A
Cheapest Retailer
-
$216 USD
A
Retailer 2
-
$250 USD
View
A
Retailer 3
-
$268 USD
View
A
Retailer 4
-
$268 USD
View
A
Retailer 5
-
$358 USD
£282 GBP
View
B+
Retailer 6
-
$360 USD
View
Retailer 7
-
$452 USD
ZAR 7,308 ZAR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$467 USD
€445 EUR
View
A
Retailer 9
-
$480 USD
£378 GBP
View
B+
Retailer 10
-
$529 USD
View
B+
Retailer 11
-
$652 USD
A$1,003 AUD
View
B+
Retailer 12
-
$694 USD
View
Retailer 13
-
$750 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$837 USD
A$1,287 AUD
View
B
Retailer 15
-
$860 USD
View
B
Retailer 16
-
$867 USD
SGD 1,171 SGD
View
B
Retailer 17
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$913 USD
View
B
Retailer 18
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$1,070 USD
View
B
Retailer 19
-
$1,073 USD
£845 GBP
View
Most Expensive
B
Reve Diamonds
8A500A192 · Oct 25
$1,244 USD
View
19 more retailers have this diamond
Prices start from $216 USDSave up to $1,028 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
1.28ct Marquise
$216 USD