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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG825633959

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825633959

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of November 2, 2026
Save £740 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £887 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825633959 or 825633959. Listed at 18 retailers as of November 1, 2026, with prices from £147 to £887, a £740 spread on the same certified stone. Reve Diamonds lists it at £887. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633959
Dimensions7.54 × 6.45 × 4.34 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.54 mm6.45 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633959
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 57.6%

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: Nov 2
Current: £448 GBP|Low: £147 GBP|High: £913 GBP|Avg: £448 GBP|-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
Retailer 16
Reve Diamonds
November 2, 2026
Retailer 9£147 GBP
Retailer 4£166 GBP
Retailer 16£172 GBP
Retailer 6£184 GBP
Retailer 14£184 GBP
Retailer 7£247 GBP
Retailer 11£317 GBP
Retailer 10£337 GBP
Retailer 15£385 GBP
Retailer 1£448 GBP
Retailer 2£591 GBP
Retailer 3£592 GBP
Retailer 8£598 GBP
Retailer 5£631 GBP
Retailer 13£677 GBP
Retailer 12£859 GBP
Reve Diamonds£887 GBP

45 data points across 17 retailers

18 retailers£147 GBP to £887 GBP

A
Cheapest Retailer
-
£147 GBP
$197 USD
A
Retailer 2
-
£166 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$231 USD
View
Retailer 4
-
£184 GBP
$247 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£184 GBP
$247 USD
View
Retailer 6
-
£190 GBP
$255 USD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
£247 GBP
$332 USD
View
A
Retailer 8
-
£317 GBP
ZAR 6,877 ZAR
View
A
Retailer 9
-
£337 GBP
View
B+
Retailer 10
-
£385 GBP
$517 USD
View
B+
Retailer 11
-
£448 GBP
A$925 AUD
View
B
Retailer 12
-
£591 GBP
$793 USD
View
B+
Retailer 13
-
£592 GBP
$795 USD
View
B
Retailer 14
-
£598 GBP
SGD 1,084 SGD
View
B
Retailer 15
-
£631 GBP
$846 USD
View
B
Retailer 16
-
£677 GBP
A$1,397 AUD
View
B
Retailer 17
-
£859 GBP
View
Most Expensive
B
Reve Diamonds
BE95A4477 · Nov 1
£887 GBP
$1,190 USD
View
17 more retailers have this diamond
Prices start from £147 GBPSave up to £740 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
1.23ct Heart
£147 GBP