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Radiant|Lab Grown|IGI

0.99ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG612318154

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG612318154

Diamond specifications and retailer prices

From $229 SGD
$179 USD
As of October 27, 2026
Save $1,255 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,485 SGD at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG612318154 or 612318154. Listed at 16 retailers as of October 27, 2026, with prices from $229 to $1,485, a $1,255 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,485. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612318154
Dimensions6.47 × 5.07 × 3.41 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.47 mm5.07 mm0.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG612318154
Side View
Table 67.0%Crown 44.3°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 67.3%

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: $510 SGD|Low: $220 SGD|High: $1,346 SGD|Avg: $550 SGD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$229 SGD
Retailer 2$256 SGD
Retailer 3$285 SGD
Retailer 12$285 SGD
Retailer 5$368 SGD
Retailer 10$504 SGD
Retailer 1$510 SGD
Retailer 6$514 SGD
Retailer 4$591 SGD
Retailer 9$966 SGD
Retailer 7$984 SGD
Retailer 8$1,336 SGD

44 data points across 12 retailers

16 retailers$229 SGD to $1,485 SGD

A
Cheapest Retailer
-
$229 SGD
$179 USD
A
Retailer 2
-
$256 SGD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$267 SGD
$208 USD
View
A
Retailer 4
-
$285 SGD
$222 USD
View
A
Retailer 5
-
$285 SGD
$222 USD
View
A
Retailer 6
-
$368 SGD
£226 GBP
View
A
Retailer 7
-
$451 SGD
$352 USD
View
B+
Retailer 8
-
$504 SGD
$393 USD
View
A
Retailer 9
-
$510 SGD
£313 GBP
View
A
Retailer 10
-
$514 SGD
ZAR 6,480 ZAR
View
B+
Retailer 11
-
$591 SGD
$461 USD
View
B
Retailer 12
-
$914 SGD
$713 USD
View
B
Retailer 13
-
$966 SGD
$754 USD
View
B
Retailer 14
-
$984 SGD
$768 USD
View
Retailer 15
-
$1,336 SGD
£821 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Flawless Fine Jewelry
31FC6CB3C · Oct 29
$1,485 SGD
£912 GBP
View
15 more retailers have this diamond
Prices start from $229 SGDSave up to $1,255 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
0.99ct Radiant
$229 SGD