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Round|Lab Grown|IGI

1.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG844615897

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844615897

Diamond specifications and retailer prices

From $534 SGD
As of October 30, 2026
Save $414 SGD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,428 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844615897 or 844615897. Listed at 15 retailers as of October 30, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844615897
Dimensions7.39 × 7.35 × 4.52 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 mm7.35 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844615897
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $513 SGD|Low: $225 SGD|High: $1,428 SGD|Avg: $669 SGD|-0.2%
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
Reve Diamonds
October 30, 2026
Retailer 14$225 SGD
Retailer 5$250 SGD
Retailer 11$261 SGD
Retailer 10$278 SGD
Retailer 12$280 SGD
Retailer 2$496 SGD
Retailer 8$499 SGD
Retailer 1$513 SGD
Retailer 15$534 SGD
Retailer 6$611 SGD
Retailer 4$897 SGD
Retailer 13$948 SGD
Retailer 7$966 SGD
Retailer 3$990 SGD
Retailer 9$1,312 SGD
Reve Diamonds$1,428 SGD

16 data points across 16 retailers

15 retailers$534 SGD to $948 SGD

Retailer 1
-
$225 SGD
Price last confirmed 8 days ago
Retailer 2
-
$261 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$278 SGD
View
Price last confirmed 12 days ago
Retailer 4
-
$280 SGD
View
Price last confirmed 10 days ago
Retailer 5
-
$496 SGD
View
Price last confirmed 7 days ago
Retailer 6
-
$499 SGD
View
Price last confirmed 7 days ago
Retailer 7
-
$513 SGD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$534 SGD
View
A
Retailer 9
-
$611 SGD
View
Retailer 10
-
$897 SGD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$948 SGD
View
Retailer 12
-
$966 SGD
View
Price last confirmed 8 days ago
Retailer 13
-
$990 SGD
View
Price last confirmed 16 days ago
Retailer 14
-
$1,312 SGD
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
61D80709D · Oct 30
$1,428 SGD
$1,118 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from $534 SGDSave up to $414 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
$534 SGD