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Oval|Lab Grown|IGI

16.78ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG586343113

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586343113

Diamond specifications and retailer prices

From $4,999 SGD
£3,079 GBP
As of October 27, 2026
Save $31,231 SGD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $36,230 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 16.78ct lab-grown oval diamond

This 16.78ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG586343113 or 586343113. Listed at 12 retailers as of October 27, 2026, with prices from $4,999 to $36,230, a $31,231 spread on the same certified stone. Brilliant Earth lists it at $36,230. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

16.78
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586343113
Dimensions20.92 × 14.57 × 9.05 mm
L/W Ratio1.44
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
20.92 mm14.57 mm16.78 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586343113
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $38,825 SGD|Low: $4,999 SGD|High: $97,752 SGD|Avg: $28,854 SGD
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 17$4,999 SGD
Retailer 12$6,931 SGD
Retailer 18$9,019 SGD
Retailer 13$9,083 SGD
Retailer 16$9,709 SGD
Retailer 6$9,782 SGD
Retailer 2$9,797 SGD
Retailer 8$10,211 SGD
Retailer 5$13,163 SGD
Retailer 4$15,449 SGD
Retailer 19$17,215 SGD
Retailer 7$17,321 SGD
Retailer 14$27,384 SGD
Retailer 3$30,547 SGD
Retailer 15$33,341 SGD
Brilliant Earth$38,825 SGD
Retailer 9$70,210 SGD
Retailer 11$70,210 SGD
Retailer 10$97,752 SGD

10 data points across 19 retailers

12 retailers$4,999 SGD to $36,230 SGD

A
Cheapest Retailer
-
$4,999 SGD
£3,079 GBP
A
Retailer 2
-
$6,931 SGD
$5,422 USD
View
B+
Retailer 3
-
$9,019 SGD
$7,055 USD
View
B+
Retailer 4
-
$9,083 SGD
$7,105 USD
View
B+
Retailer 5
-
$9,709 SGD
$7,595 USD
View
B+
Retailer 6
-
$9,797 SGD
£6,035 GBP
View
B
Retailer 7
-
$15,449 SGD
$12,085 USD
View
B
Retailer 8
-
$17,215 SGD
$13,466 USD
View
B
Retailer 9
-
$27,384 SGD
$21,420 USD
View
B
Retailer 10
-
$30,547 SGD
$23,895 USD
View
B
Retailer 11
-
$33,341 SGD
$26,080 USD
View
Most Expensive
B
Brilliant Earth
22301118A · Oct 31
$36,230 SGD
$28,340 USD
View
11 more retailers have this diamond
Prices start from $4,999 SGDSave up to $31,231 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
16.78ct Oval
$4,999 SGD