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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG817689369

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817689369

Diamond specifications and retailer prices

From $488 SGD
As of November 4, 2026
Save $1,032 SGD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,520 SGD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817689369 or 817689369. Listed at 11 retailers as of November 2, 2026, with prices from $488 to $1,520, a $1,032 spread on the same certified stone. Diamond Exchange Canada lists it at $1,520. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817689369
Dimensions8.03 × 7.51 × 4.47 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm7.51 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817689369
Side View
Table 58.0%Crown 32.4°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $670 SGD|Low: $488 SGD|High: $1,585 SGD|Avg: $965 SGD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$488 SGD
Retailer 7$506 SGD
Retailer 10$619 SGD
Retailer 4$656 SGD
Retailer 1$670 SGD
Retailer 8$893 SGD
Retailer 2$1,231 SGD
Retailer 3$1,447 SGD
Retailer 6$1,457 SGD
Retailer 9$1,484 SGD

43 data points across 10 retailers

11 retailers$488 SGD to $1,520 SGD

B+
Cheapest Retailer
-
$488 SGD
A
Retailer 2
-
$506 SGD
View
A
Retailer 3
-
$619 SGD
View
A
Retailer 4
-
$656 SGD
View
A
Retailer 5
-
$670 SGD
View
B+
Retailer 6
-
$893 SGD
View
B
Retailer 7
-
$1,231 SGD
View
B
Retailer 8
-
$1,447 SGD
View
B
Retailer 9
-
$1,457 SGD
View
B
Retailer 10
-
$1,484 SGD
View
Most Expensive
B
Diamond Exchange Canada
1967020747 · Nov 2
$1,520 SGD
CA$1,652 CAD
View
10 more retailers have this diamond
Prices start from $488 SGDSave up to $1,032 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
$488 SGD