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Oval|Lab Grown|IGI

11.25ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG598316444

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598316444

Diamond specifications and retailer prices

From $2,415 SGD
$1,889 USD
As of October 31, 2026
Save $17,822 SGD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,237 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.25ct lab-grown oval diamond

This 11.25ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598316444 or 598316444. Listed at 12 retailers as of October 31, 2026, with prices from $2,415 to $20,237, a $17,822 spread on the same certified stone. Brilliant Earth lists it at $20,237. 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

11.25
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598316444
Dimensions18.53 × 12.54 × 7.73 mm
L/W Ratio1.48
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
18.53 mm12.54 mm11.25 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598316444
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.6%

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: $20,237 SGD|Low: $2,415 SGD|High: $20,237 SGD|Avg: $6,215 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
November 1, 2026
Retailer 4$2,415 SGD
Retailer 11$2,672 SGD
Retailer 9$3,450 SGD
Retailer 12$3,509 SGD
Retailer 6$4,079 SGD
Retailer 10$4,234 SGD
Retailer 2$5,022 SGD
Retailer 8$5,994 SGD
Retailer 3$6,708 SGD
Retailer 5$7,146 SGD
Retailer 7$13,116 SGD
Brilliant Earth$20,237 SGD

31 data points across 12 retailers

12 retailers$2,415 SGD to $20,237 SGD

A
Cheapest Retailer
-
$2,415 SGD
$1,889 USD
Final sale: no returns
A
Retailer 2
-
$2,672 SGD
$2,090 USD
View
B+
Retailer 3
-
$3,450 SGD
$2,699 USD
View
A
Retailer 4
-
$3,509 SGD
$2,745 USD
View
A
Retailer 5
-
$4,079 SGD
€3,039 EUR
View
A
Retailer 6
-
$4,234 SGD
$3,312 USD
View
B+
Retailer 7
-
$5,022 SGD
A$6,044 AUD
View
B+
Retailer 8
-
$5,994 SGD
$4,689 USD
View
B+
Retailer 9
-
$6,708 SGD
$5,247 USD
View
B+
Retailer 10
-
$7,146 SGD
$5,590 USD
View
B
Retailer 11
-
$13,116 SGD
$10,260 USD
View
Most Expensive
B
Brilliant Earth
17140106A · Oct 31
$20,237 SGD
$15,830 USD
View
11 more retailers have this diamond
Prices start from $2,415 SGDSave up to $17,822 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
11.25ct Oval
$2,415 SGD