Marquise|Lab Grown|IGI

1.26ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831648673

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831648673

Diamond specifications and retailer prices

From $256 USD
HK$2,000 HKD
As of November 1, 2026
Save $574 USD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,137 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.26ct lab-grown marquise diamond

This 1.26ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831648673 or 831648673. Listed at 19 retailers as of October 31, 2026, with a 224% 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

1.26
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648673
Dimensions10.72 × 5.63 × 3.66 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm5.63 mm1.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648673
Side View
Table 56.0%Crown 37.8°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
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 1
Current: $405 USD|Low: $199 USD|High: $1,137 USD|Avg: $568 USD|+3.9%
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
Reve Diamonds
October 27, 2026
Retailer 4$203 USD
Retailer 7$256 USD
Retailer 13$272 USD
Retailer 8$374 USD
Retailer 9$382 USD
Retailer 12$399 USD
Retailer 1$405 USD
Retailer 3$464 USD
Retailer 14$570 USD
Retailer 11$685 USD
Retailer 6$739 USD
Retailer 2$753 USD
Retailer 5$780 USD
Retailer 15$830 USD
Retailer 10$1,062 USD
Reve Diamonds$1,137 USD

39 data points across 16 retailers

19 retailers$256 USD to $830 USD

Retailer 1
-
$182 USD
Price last confirmed 16 days ago
Retailer 2
-
$211 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$226 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$256 USD
HK$2,000 HKD
View
Retailer 5
-
$272 USD
£214 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
$374 USD
€356 EUR
View
Retailer 7
-
$382 USD
ZAR 6,168 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$399 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$405 USD
£319 GBP
View
A
Retailer 10
-
$464 USD
View
B+
Retailer 11
-
$570 USD
View
B
Retailer 12
-
$685 USD
View
Retailer 13
-
$726 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$739 USD
SGD 998 SGD
View
B
Retailer 15
-
$753 USD
View
B+
Retailer 16
-
$780 USD
View
B
Retailer 17
-
$830 USD
View
Retailer 18
-
$1,062 USD
£836 GBP
View
Price last confirmed 12 days ago
Most Expensive
Reve Diamonds
69C93A90F · Oct 25
$1,137 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $256 USDSave up to $574 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
1.26ct Marquise
$256 USD