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 £167 GBP
$224 USD
As of November 2, 2026
Save £934 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,332 GBP 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 2, 2026, with a 559% 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £206 GBP|Low: £167 GBP|High: £1,109 GBP|Avg: £470 GBP|-1.8%
Retailer 1
Retailer 2
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Retailer 21
November 3, 2026
Retailer 19£167 GBP
Retailer 8£187 GBP
Retailer 20£194 GBP
Retailer 1£206 GBP
Retailer 11£209 GBP
Retailer 18£236 GBP
Retailer 3£279 GBP
Retailer 13£336 GBP
Retailer 21£358 GBP
Retailer 15£386 GBP
Retailer 4£445 GBP
Retailer 10£482 GBP
Retailer 16£507 GBP
Retailer 5£665 GBP
Retailer 17£668 GBP
Retailer 7£705 GBP
Retailer 6£715 GBP
Retailer 14£820 GBP
Retailer 2£830 GBP
Retailer 9£837 GBP
Retailer 12£1,101 GBP

21 data points across 21 retailers

22 retailers£167 GBP to £1,101 GBP

A+
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£187 GBP
$251 USD
View
Final sale: no returns
A
Retailer 3
-
£194 GBP
$260 USD
View
A
Retailer 4
-
£206 GBP
$277 USD
View
Retailer 5
-
£209 GBP
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£236 GBP
View
B+
Retailer 7
-
£279 GBP
$375 USD
View
A
Retailer 8
-
£336 GBP
€430 EUR
View
A
Retailer 9
-
£358 GBP
ZAR 7,753 ZAR
View
A
Retailer 10
-
£386 GBP
View
A
Retailer 11
-
£445 GBP
$597 USD
View
A
Retailer 12
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£482 GBP
$647 USD
View
B+
Retailer 13
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£507 GBP
A$1,046 AUD
View
B+
Retailer 14
-
£665 GBP
$893 USD
View
B+
Retailer 15
-
£668 GBP
$897 USD
View
B+
Retailer 16
-
£705 GBP
$946 USD
View
B+
Retailer 17
-
£715 GBP
$959 USD
View
B+
Retailer 18
-
£820 GBP
$1,100 USD
View
B+
Retailer 19
-
£830 GBP
View
B+
Retailer 20
-
£837 GBP
A$1,727 AUD
View
B
Retailer 21
-
£1,101 GBP
SGD 1,996 SGD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMGL · Oct 13
£1,332 GBP
$1,788 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from £167 GBPSave up to £934 GBP

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
£167 GBP