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Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG846656607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846656607

Diamond specifications and retailer prices

From $328 SGD
HK$2,000 HKD
As of October 30, 2026
Save $1,261 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,589 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846656607 or 846656607. Listed at 10 retailers as of October 29, 2026, with prices from $328 to $1,589, a $1,261 spread on the same certified stone. Brilliant Earth lists it at $1,589. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656607
Dimensions7.39 × 7.45 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.45 mm1.51 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656607
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.4%

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: $487 SGD|Low: $269 SGD|High: $1,397 SGD|Avg: $693 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$269 SGD
Retailer 3$328 SGD
Retailer 6$465 SGD
Retailer 1$487 SGD
Retailer 7$513 SGD
Retailer 8$523 SGD
Retailer 2$884 SGD
Retailer 4$961 SGD
Retailer 5$961 SGD
Retailer 10$1,397 SGD

4 data points across 10 retailers

10 retailers$328 SGD to $1,589 SGD

A
Cheapest Retailer
-
$328 SGD
HK$2,000 HKD
A
Retailer 2
-
$465 SGD
£286 GBP
View
A
Retailer 3
-
$487 SGD
€362 EUR
View
B+
Retailer 4
-
$513 SGD
£315 GBP
View
B+
Retailer 5
-
$523 SGD
$408 USD
View
B
Retailer 6
-
$884 SGD
$690 USD
View
B
Retailer 7
-
$961 SGD
View
B
Retailer 8
-
$961 SGD
$750 USD
View
B
Retailer 9
-
$1,397 SGD
£858 GBP
View
Most Expensive
B
Brilliant Earth
22260958A · Oct 29
$1,589 SGD
$1,240 USD
View
9 more retailers have this diamond
Prices start from $328 SGDSave up to $1,261 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 Round
$328 SGD