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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG787602899

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787602899

Diamond specifications and retailer prices

From $280 SGD
$219 USD
As of October 29, 2026
Save $2,405 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,685 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787602899 or 787602899. Listed at 17 retailers as of October 29, 2026, with prices from $280 to $2,685, a $2,405 spread on the same certified stone. Do Amore Diamonds lists it at $2,685. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787602899
Dimensions9.69 × 6.31 × 3.86 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm6.31 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787602899
Side View
Table 59.0%Crown 36.2°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 61.2%

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 29
Current: $2,685 SGD|Low: $222 SGD|High: $2,685 SGD|Avg: $931 SGD
Do Amore Diamonds
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
November 1, 2026
Retailer 13$280 SGD
Retailer 3$313 SGD
Retailer 6$325 SGD
Retailer 4$346 SGD
Retailer 10$346 SGD
Retailer 15$495 SGD
Retailer 11$593 SGD
Retailer 8$726 SGD
Retailer 14$767 SGD
Retailer 9$1,119 SGD
Retailer 5$1,231 SGD
Retailer 7$1,450 SGD
Retailer 2$1,534 SGD
Retailer 12$1,602 SGD
Do Amore Diamonds$2,685 SGD

42 data points across 15 retailers

17 retailers$280 SGD to $2,685 SGD

Retailer 1
-
$280 SGD
$219 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$280 SGD
$219 USD
View
A
Retailer 3
-
$313 SGD
$245 USD
View
Final sale: no returns
A
Retailer 4
-
$325 SGD
$254 USD
View
Retailer 5
-
$343 SGD
$268 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$346 SGD
$271 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$346 SGD
$271 USD
View
A
Retailer 8
-
$495 SGD
$387 USD
View
A
Retailer 9
-
$593 SGD
$464 USD
View
B+
Retailer 10
-
$726 SGD
£447 GBP
View
B+
Retailer 11
-
$767 SGD
$600 USD
View
B
Retailer 12
-
$1,119 SGD
$875 USD
View
B
Retailer 13
-
$1,231 SGD
$963 USD
View
B
Retailer 14
-
$1,450 SGD
$1,134 USD
View
B
Retailer 15
-
$1,534 SGD
£945 GBP
View
B
Retailer 16
-
$1,602 SGD
$1,253 USD
View
Most Expensive
B
Do Amore Diamonds
27-137BF777B · Oct 31
$2,685 SGD
$2,100 USD
View
16 more retailers have this diamond
Prices start from $280 SGDSave up to $2,405 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 Oval
$280 SGD