Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG835610703

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835610703

Diamond specifications and retailer prices

From $243 USD
HK$1,900 HKD
As of November 1, 2026
Save $793 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,125 USD at Reve Diamonds · As of October 25, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835610703 or 835610703. Listed at 19 retailers as of October 26, 2026, with a 326% 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

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610703
Dimensions6.71 × 7.36 × 4.36 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm7.36 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835610703
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $750 USD|Low: $170 USD|High: $1,340 USD|Avg: $518 USD|-44.0%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 31, 2026
Retailer 4$178 USD
Retailer 6$199 USD
Retailer 11$207 USD
Retailer 8$221 USD
Retailer 13$243 USD
Retailer 16$296 USD
Retailer 12$363 USD
Retailer 19$374 USD
Retailer 3$393 USD
Retailer 17$396 USD
Retailer 9$470 USD
Retailer 5$471 USD
Retailer 7$711 USD
Retailer 14$715 USD
Retailer 15$726 USD
Retailer 1$750 USD
Retailer 2$751 USD
Retailer 10$766 USD
Retailer 18$1,036 USD
Reve Diamonds$1,125 USD

36 data points across 20 retailers

19 retailers$243 USD to $1,036 USD

Retailer 1
-
$178 USD
Price last confirmed 9 days ago
Retailer 2
-
$207 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$221 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$243 USD
HK$1,900 HKD
View
A
Retailer 5
-
$296 USD
£233 GBP
View
A
Retailer 6
-
$363 USD
€346 EUR
View
Retailer 7
-
$374 USD
ZAR 6,044 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$393 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$396 USD
£311 GBP
View
B+
Retailer 10
-
$470 USD
View
B+
Retailer 11
-
$471 USD
View
Retailer 12
-
$711 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$715 USD
SGD 966 SGD
View
B
Retailer 14
-
$726 USD
View
B
Retailer 15
-
$750 USD
View
B
Retailer 16
-
$751 USD
View
B
Retailer 17
-
$766 USD
View
B
Retailer 18
-
$1,036 USD
£816 GBP
View
Most Expensive
Reve Diamonds
F4DEAE15A · Oct 25
$1,125 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $243 USDSave up to $793 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
1.23ct Heart
$243 USD