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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG845615106

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG845615106

Diamond specifications and retailer prices

From $334 SGD
$261 USD
As of October 31, 2026
Save $1,379 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,713 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG845615106 or 845615106. Listed at 11 retailers as of October 30, 2026, with prices from $334 to $1,713, a $1,379 spread on the same certified stone. Brilliant Earth lists it at $1,713. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845615106
Dimensions8.74 × 5.92 × 3.75 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.92 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845615106
Side View
Table 65.0%Crown 36.1°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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 31
Current: $1,713 SGD|Low: $334 SGD|High: $1,713 SGD|Avg: $849 SGD|+2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$334 SGD
Retailer 9$380 SGD
Retailer 11$398 SGD
Retailer 8$607 SGD
Retailer 7$640 SGD
Retailer 5$664 SGD
Retailer 2$1,145 SGD
Retailer 6$1,149 SGD
Retailer 3$1,391 SGD
Retailer 10$1,627 SGD
Brilliant Earth$1,713 SGD

14 data points across 11 retailers

11 retailers$334 SGD to $1,713 SGD

A
Cheapest Retailer
-
$334 SGD
$261 USD
A
Retailer 2
-
$380 SGD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$398 SGD
£245 GBP
View
B+
Retailer 4
-
$607 SGD
$475 USD
View
B+
Retailer 5
-
$640 SGD
$501 USD
View
B+
Retailer 6
-
$664 SGD
£409 GBP
View
Retailer 7
-
$1,145 SGD
$896 USD
View
B
Retailer 8
-
$1,149 SGD
$899 USD
View
B
Retailer 9
-
$1,391 SGD
£857 GBP
View
B
Retailer 10
-
$1,627 SGD
$1,272 USD
View
Most Expensive
B
Brilliant Earth
22346932A · Oct 30
$1,713 SGD
$1,340 USD
View
10 more retailers have this diamond
Prices start from $334 SGDSave up to $1,379 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
$334 SGD