Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG837672605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837672605

Diamond specifications and retailer prices

From $224 USD
As of November 2, 2026
Save $1,259 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,788 USD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837672605 or 837672605. Listed at 22 retailers as of November 1, 2026, with a 562% 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

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672605
Dimensions11.44 × 5.55 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.55 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672605
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $897 USD|Low: $224 USD|High: $1,489 USD|Avg: $624 USD|-1.6%
Retailer 1
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Retailer 21
November 2, 2026
Retailer 15$224 USD
Retailer 6$251 USD
Retailer 17$260 USD
Retailer 21$278 USD
Retailer 11$280 USD
Retailer 12$317 USD
Retailer 20$375 USD
Retailer 13$452 USD
Retailer 18$480 USD
Retailer 16$514 USD
Retailer 2$597 USD
Retailer 9$647 USD
Retailer 10$684 USD
Retailer 3$893 USD
Retailer 1$897 USD
Retailer 5$946 USD
Retailer 4$959 USD
Retailer 14$1,100 USD
Retailer 19$1,114 USD
Retailer 8$1,123 USD
Retailer 7$1,483 USD

21 data points across 21 retailers

22 retailers$224 USD to $1,483 USD

A+
Cheapest Retailer
-
$224 USD
A
Retailer 2
-
$251 USD
View
Final sale: no returns
A
Retailer 3
-
$260 USD
View
A
Retailer 4
-
$278 USD
View
Retailer 5
-
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$317 USD
£250 GBP
View
B+
Retailer 7
-
$375 USD
View
A
Retailer 8
-
$452 USD
€430 EUR
View
A
Retailer 9
-
$480 USD
ZAR 7,753 ZAR
View
A
Retailer 10
-
$514 USD
£405 GBP
View
A
Retailer 11
-
$597 USD
View
A
Retailer 12
-
$647 USD
View
B+
Retailer 13
-
$684 USD
A$1,052 AUD
View
B+
Retailer 14
-
$893 USD
View
B+
Retailer 15
-
$897 USD
View
B+
Retailer 16
-
$946 USD
View
B+
Retailer 17
-
$959 USD
View
B+
Retailer 18
-
$1,100 USD
View
B+
Retailer 19
-
$1,114 USD
£877 GBP
View
B+
Retailer 20
-
$1,123 USD
A$1,727 AUD
View
B
Retailer 21
-
$1,483 USD
SGD 2,004 SGD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMGL · Oct 13
$1,788 USD
View
Price last confirmed 20 days ago
21 more retailers have this diamond
Prices start from $224 USDSave up to $1,259 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
$224 USD