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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG700579785

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG700579785

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of November 2, 2026
Save £748 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £900 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 LG700579785 or 700579785. Listed at 19 retailers as of November 1, 2026, with prices from £152 to £900, a £748 spread on the same certified stone. Reve Diamonds lists it at £900. 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 angle34.3°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700579785
Dimensions6.45 × 7.37 × 4.49 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
6.45 mm7.37 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700579785
Side View
Table 64.0%Crown 34.3°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.9%

Caratlytics Score

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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: £347 GBP|Low: £146 GBP|High: £984 GBP|Avg: £438 GBP|+4.6%
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 2£152 GBP
Retailer 16£170 GBP
Retailer 6£177 GBP
Retailer 3£189 GBP
Retailer 7£189 GBP
Retailer 15£248 GBP
Retailer 13£255 GBP
Retailer 9£326 GBP
Retailer 1£347 GBP
Retailer 8£427 GBP
Retailer 11£458 GBP
Retailer 14£462 GBP
Retailer 4£607 GBP
Retailer 12£677 GBP
Retailer 10£883 GBP
Reve Diamonds£900 GBP
Retailer 5£946 GBP

45 data points across 17 retailers

19 retailers£152 GBP to £900 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£170 GBP
$228 USD
View
Final sale: no returns
A
Retailer 3
-
£177 GBP
$237 USD
View
A
Retailer 4
-
£189 GBP
$253 USD
View
Retailer 5
-
£189 GBP
$253 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£255 GBP
$342 USD
View
A
Retailer 7
-
£326 GBP
ZAR 7,070 ZAR
View
A
Retailer 8
-
£347 GBP
View
B+
Retailer 9
-
£383 GBP
$514 USD
View
B+
Retailer 10
-
£387 GBP
$519 USD
View
B+
Retailer 11
-
£427 GBP
$573 USD
View
B+
Retailer 12
-
£458 GBP
$615 USD
View
B+
Retailer 13
-
£462 GBP
A$953 AUD
View
B
Retailer 14
-
£607 GBP
$815 USD
View
B
Retailer 15
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£642 GBP
$862 USD
View
B
Retailer 16
-
£647 GBP
$868 USD
View
B+
Retailer 17
-
£677 GBP
A$1,397 AUD
View
B
Retailer 18
-
£883 GBP
View
Most Expensive
B
Reve Diamonds
4A04884CA · Nov 1
£900 GBP
$1,208 USD
View
18 more retailers have this diamond
Prices start from £152 GBPSave up to £748 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
£152 GBP