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Radiant|Lab Grown|IGI

1.90ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG628451205

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

Certificate IGI LG628451205

Diamond specifications and retailer prices

From $469 SGD
$367 USD
As of October 30, 2026
Save $4,670 SGD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,139 SGD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.9ct lab-grown radiant diamond

This 1.9ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628451205 or 628451205. Listed at 26 retailers as of October 25, 2026, with prices from $469 to $5,139, a $4,670 spread on the same certified stone. Brilliant Earth lists it at $5,139. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628451205
Dimensions8.46 × 6.28 × 4.30 mm
L/W Ratio1.35
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
8.46 mm6.28 mm1.90 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628451205
Side View
Table 60.0%Crown 42.1°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.5%

Caratlytics Score

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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 30
Current: $5,139 SGD|Low: $458 SGD|High: $5,139 SGD|Avg: $1,648 SGD|+13.9%
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
October 31, 2026
Retailer 12$469 SGD
Retailer 3$678 SGD
Retailer 8$678 SGD
Retailer 6$857 SGD
Retailer 13$963 SGD
Retailer 2$1,009 SGD
Retailer 11$1,300 SGD
Retailer 15$1,400 SGD
Retailer 4$1,952 SGD
Retailer 7$2,026 SGD
Retailer 5$2,052 SGD
Retailer 9$2,139 SGD
Retailer 10$2,202 SGD
Retailer 14$2,557 SGD
Brilliant Earth$5,139 SGD

41 data points across 15 retailers

26 retailers$469 SGD to $5,139 SGD

Retailer 1
-
$409 SGD
$320 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$469 SGD
$367 USD
View
Final sale: no returns
Retailer 3
-
$476 SGD
$372 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$508 SGD
$397 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$508 SGD
$397 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$678 SGD
$530 USD
View
B+
Retailer 7
-
$678 SGD
$530 USD
View
A
Retailer 8
-
$704 SGD
HK$4,300 HKD
View
A
Retailer 9
-
$857 SGD
$670 USD
View
A
Retailer 10
-
$963 SGD
ZAR 12,172 ZAR
View
A
Retailer 11
-
$1,009 SGD
£621 GBP
View
A
Retailer 12
-
$1,030 SGD
$806 USD
View
B+
Retailer 13
-
$1,300 SGD
A$1,565 AUD
View
B+
Retailer 14
-
$1,400 SGD
$1,095 USD
View
Retailer 15
-
$1,803 SGD
$1,410 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,952 SGD
$1,527 USD
View
B
Retailer 17
-
$2,004 SGD
$1,568 USD
View
B
Retailer 18
-
$2,010 SGD
$1,572 USD
View
B
Retailer 19
-
$2,052 SGD
View
B+
Retailer 20
-
$2,139 SGD
A$2,574 AUD
View
B+
Retailer 21
-
$2,202 SGD
£1,356 GBP
View
B
Retailer 22
-
$2,462 SGD
£1,516 GBP
View
Retailer 23
-
$2,557 SGD
$2,000 USD
View
Price last confirmed 12 days ago
B
Retailer 24
-
$3,631 SGD
$2,840 USD
View
B
Retailer 25
-
$4,129 SGD
$3,230 USD
View
Most Expensive
B
Brilliant Earth
11533697A · Oct 25
$5,139 SGD
$4,020 USD
View
25 more retailers have this diamond
Prices start from $469 SGDSave up to $4,670 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
1.90ct Radiant
$469 SGD