Marquise|Lab Grown|IGI

1.25ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG846656637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846656637

Diamond specifications and retailer prices

From $243 USD
HK$1,900 HKD
As of November 1, 2026
Save $786 USD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,121 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846656637 or 846656637. Listed at 20 retailers as of October 26, 2026, with a 323% 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

1.25
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656637
Dimensions11.44 × 5.43 × 3.42 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.43 mm1.25 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656637
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $553 USD|Low: $177 USD|High: $1,121 USD|Avg: $518 USD|-25.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Reve Diamonds
October 31, 2026
Retailer 7$177 USD
Retailer 8$197 USD
Retailer 20$205 USD
Retailer 16$220 USD
Retailer 13$243 USD
Retailer 14$270 USD
Retailer 18$364 USD
Retailer 10$371 USD
Retailer 9$391 USD
Retailer 15$392 USD
Retailer 2$458 USD
Retailer 3$469 USD
Retailer 1$553 USD
Retailer 17$706 USD
Retailer 12$710 USD
Retailer 11$721 USD
Retailer 6$729 USD
Retailer 5$760 USD
Retailer 4$800 USD
Retailer 19$1,029 USD
Reve Diamonds$1,121 USD

8 data points across 21 retailers

20 retailers$243 USD to $1,029 USD

Retailer 1
-
$177 USD
Price last confirmed 10 days ago
Retailer 2
-
$205 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$220 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$243 USD
HK$1,900 HKD
View
A
Retailer 5
-
$270 USD
£212 GBP
View
Retailer 6
-
$364 USD
€347 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
$371 USD
ZAR 5,998 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$391 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$392 USD
£309 GBP
View
A
Retailer 10
-
$458 USD
View
A
Retailer 11
-
$469 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$553 USD
View
Retailer 13
-
$706 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$710 USD
View
B+
Retailer 15
-
$721 USD
SGD 974 SGD
View
B
Retailer 16
-
$729 USD
View
B
Retailer 17
-
$760 USD
View
B
Retailer 18
-
$800 USD
View
B
Retailer 19
-
$1,029 USD
£810 GBP
View
Most Expensive
Reve Diamonds
167BDF9F3 · Oct 25
$1,121 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $243 USDSave up to $786 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
1.25ct Marquise
$243 USD