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Oval|Lab Grown|IGI

15.71ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG635468337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG635468337

Diamond specifications and retailer prices

From $4,698 SGD
£2,892 GBP
As of October 27, 2026
Save $26,635 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $31,333 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 15.71ct lab-grown oval diamond

This 15.71ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635468337 or 635468337. Listed at 11 retailers as of October 27, 2026, with prices from $4,698 to $31,333, a $26,635 spread on the same certified stone. Do Amore Diamonds lists it at $31,333. 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

15.71
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635468337
Dimensions20.93 × 13.91 × 8.69 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.93 mm13.91 mm15.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635468337
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 27
Current: $31,333 SGD|Low: $4,698 SGD|High: $91,554 SGD|Avg: $21,143 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
Retailer 16
November 1, 2026
Retailer 13$4,698 SGD
Retailer 10$6,511 SGD
Retailer 14$8,454 SGD
Retailer 11$8,979 SGD
Retailer 5$9,000 SGD
Retailer 9$9,155 SGD
Retailer 7$9,347 SGD
Retailer 2$9,362 SGD
Retailer 4$12,076 SGD
Retailer 3$14,495 SGD
Retailer 15$16,963 SGD
Retailer 12$25,760 SGD
Retailer 16$28,610 SGD
Do Amore Diamonds$31,333 SGD
Retailer 6$31,461 SGD
Retailer 8$91,554 SGD

10 data points across 16 retailers

11 retailers$4,698 SGD to $31,333 SGD

A
Cheapest Retailer
-
$4,698 SGD
£2,892 GBP
B+
Retailer 2
-
$6,511 SGD
$5,091 USD
View
B+
Retailer 3
-
$8,454 SGD
$6,610 USD
View
B
Retailer 4
-
$8,979 SGD
$7,021 USD
View
B
Retailer 5
-
$9,155 SGD
£5,637 GBP
View
B
Retailer 6
-
$14,495 SGD
$11,334 USD
View
B
Retailer 7
-
$16,963 SGD
$13,264 USD
View
B
Retailer 8
-
$25,760 SGD
$20,142 USD
View
B
Retailer 9
-
$28,610 SGD
$22,371 USD
View
B
Retailer 10
-
$29,594 SGD
$23,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-F9C3B9F41 · Oct 29
$31,333 SGD
$24,500 USD
View
10 more retailers have this diamond
Prices start from $4,698 SGDSave up to $26,635 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
15.71ct Oval
$4,698 SGD