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Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG840612257

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840612257

Diamond specifications and retailer prices

From $287 SGD
$224 USD
As of October 23, 2026
Save $1,341 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,897 SGD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840612257 or 840612257. Listed at 22 retailers as of October 23, 2026, with a 467% 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

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612257
Dimensions7.20 × 7.75 × 4.79 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.75 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612257
Side View
Table 65.0%Crown 37.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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 23
Current: $1,897 SGD|Low: $287 SGD|High: $1,897 SGD|Avg: $869 SGD
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 29, 2026
Retailer 3$287 SGD
Retailer 8$322 SGD
Retailer 19$333 SGD
Retailer 22$356 SGD
Retailer 11$394 SGD
Retailer 16$417 SGD
Retailer 2$579 SGD
Retailer 20$602 SGD
Retailer 5$606 SGD
Retailer 7$655 SGD
Retailer 17$660 SGD
Retailer 12$681 SGD
Retailer 13$831 SGD
Retailer 21$1,145 SGD
Retailer 4$1,148 SGD
Retailer 14$1,155 SGD
Retailer 9$1,212 SGD
Retailer 18$1,429 SGD
Retailer 15$1,442 SGD
Retailer 6$1,448 SGD
Retailer 10$1,628 SGD
Brilliant Earth$1,897 SGD

22 data points across 22 retailers

22 retailers$287 SGD to $1,628 SGD

A
Cheapest Retailer
-
$287 SGD
$224 USD
A
Retailer 2
-
$322 SGD
$251 USD
View
Final sale: no returns
A
Retailer 3
-
$333 SGD
$260 USD
View
A
Retailer 4
-
$356 SGD
$278 USD
View
A
Retailer 5
-
$394 SGD
HK$2,400 HKD
View
A
Retailer 6
-
$417 SGD
£256 GBP
View
A
Retailer 7
-
$579 SGD
€430 EUR
View
A
Retailer 8
-
$602 SGD
ZAR 7,590 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$606 SGD
$473 USD
View
A
Retailer 10
-
$655 SGD
$511 USD
View
A
Retailer 11
-
$660 SGD
£405 GBP
View
B+
Retailer 12
-
$681 SGD
$531 USD
View
B+
Retailer 13
-
$831 SGD
A$998 AUD
View
B+
Retailer 14
-
$1,145 SGD
$893 USD
View
B
Retailer 15
-
$1,148 SGD
$896 USD
View
B
Retailer 16
-
$1,155 SGD
View
B
Retailer 17
-
$1,212 SGD
$946 USD
View
B
Retailer 18
-
$1,429 SGD
£878 GBP
View
B
Retailer 19
-
$1,442 SGD
$1,125 USD
View
B
Retailer 20
-
$1,448 SGD
$1,130 USD
View
B
Retailer 21
-
$1,628 SGD
$1,270 USD
View
Most Expensive
Brilliant Earth
21808394A · Oct 14
$1,897 SGD
$1,480 USD
View
Price last confirmed 15 days ago
21 more retailers have this diamond
Prices start from $287 SGDSave up to $1,341 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
1.51ct Heart
$287 SGD