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Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG791637217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637217

Diamond specifications and retailer prices

From $240 SGD
$188 USD
As of October 30, 2026
Save $1,238 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,478 SGD at Reve Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791637217 or 791637217. Listed at 18 retailers as of October 30, 2026, with prices from $240 to $1,478, a $1,238 spread on the same certified stone. Reve Diamonds lists it at $1,478. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637217
Dimensions6.48 × 7.56 × 4.44 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.56 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637217
Side View
Table 55.0%Crown 35.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.7%

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: Oct 30
Current: $1,061 SGD|Low: $240 SGD|High: $1,486 SGD|Avg: $696 SGD|-13.5%
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
Retailer 17
Reve Diamonds
October 30, 2026
Retailer 17$240 SGD
Retailer 8$268 SGD
Retailer 14$279 SGD
Retailer 3$299 SGD
Retailer 4$299 SGD
Retailer 16$376 SGD
Retailer 11$513 SGD
Retailer 9$525 SGD
Retailer 10$542 SGD
Retailer 6$570 SGD
Retailer 5$711 SGD
Retailer 12$729 SGD
Retailer 2$960 SGD
Retailer 15$963 SGD
Retailer 7$1,029 SGD
Retailer 1$1,061 SGD
Retailer 13$1,398 SGD
Reve Diamonds$1,478 SGD

37 data points across 18 retailers

18 retailers$240 SGD to $1,478 SGD

A
Cheapest Retailer
-
$240 SGD
$188 USD
A
Retailer 2
-
$268 SGD
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$279 SGD
$218 USD
View
A
Retailer 4
-
$299 SGD
$234 USD
View
A
Retailer 5
-
$299 SGD
$234 USD
View
Retailer 6
-
$376 SGD
£231 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$513 SGD
ZAR 6,479 ZAR
View
A
Retailer 8
-
$525 SGD
$411 USD
View
A
Retailer 9
-
$542 SGD
£334 GBP
View
A
Retailer 10
-
$570 SGD
$446 USD
View
B+
Retailer 11
-
$711 SGD
$556 USD
View
B+
Retailer 12
-
$729 SGD
A$877 AUD
View
B+
Retailer 13
-
$960 SGD
$751 USD
View
B
Retailer 14
-
$963 SGD
$753 USD
View
B
Retailer 15
-
$1,029 SGD
$805 USD
View
B
Retailer 16
-
$1,061 SGD
$830 USD
View
B
Retailer 17
-
$1,398 SGD
£861 GBP
View
Most Expensive
B
Reve Diamonds
B955618CA · Oct 30
$1,478 SGD
$1,156 USD
View
17 more retailers have this diamond
Prices start from $240 SGDSave up to $1,238 SGD

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
$240 SGD