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Radiant|Lab Grown|IGI

1.00ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG605396542

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

Certificate IGI LG605396542

Diamond specifications and retailer prices

From $272 SGD
$213 USD
As of October 30, 2026
Save $2,285 SGD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,557 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605396542 or 605396542. Listed at 21 retailers as of October 30, 2026, with prices from $272 to $2,557, a $2,285 spread on the same certified stone. Brilliant Earth lists it at $2,557. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605396542
Dimensions4.98 × 4.98 × 6.96 mm
L/W Ratio1.00
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
4.98 mm4.98 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605396542
Side View
Table 64.0%Crown 41.8°Girdle: MediumPavilion 34.3°Culet: NoneDepth 66.5%

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: $2,557 SGD|Low: $258 SGD|High: $3,017 SGD|Avg: $856 SGD|-15.3%
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
October 30, 2026
Retailer 3$272 SGD
Retailer 12$307 SGD
Retailer 18$316 SGD
Retailer 7$337 SGD
Retailer 10$337 SGD
Retailer 13$579 SGD
Retailer 8$579 SGD
Retailer 2$623 SGD
Retailer 17$636 SGD
Retailer 5$637 SGD
Retailer 19$695 SGD
Retailer 14$823 SGD
Retailer 6$915 SGD
Retailer 4$1,083 SGD
Retailer 11$1,151 SGD
Retailer 15$1,261 SGD
Retailer 16$1,352 SGD
Retailer 9$1,577 SGD
Brilliant Earth$2,557 SGD

37 data points across 19 retailers

21 retailers$272 SGD to $2,557 SGD

A
Cheapest Retailer
-
$272 SGD
$213 USD
A
Retailer 2
-
$307 SGD
$240 USD
View
Final sale: no returns
A
Retailer 3
-
$316 SGD
$247 USD
View
A
Retailer 4
-
$337 SGD
$264 USD
View
A
Retailer 5
-
$337 SGD
$264 USD
View
A
Retailer 6
-
$579 SGD
ZAR 7,313 ZAR
View
A
Retailer 7
-
$579 SGD
$453 USD
View
A
Retailer 8
-
$623 SGD
£384 GBP
View
Retailer 9
-
$636 SGD
€474 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$637 SGD
$498 USD
View
A
Retailer 11
-
$695 SGD
$544 USD
View
B+
Retailer 12
-
$823 SGD
A$991 AUD
View
B+
Retailer 13
-
$915 SGD
$716 USD
View
B+
Retailer 14
-
$1,083 SGD
$847 USD
View
B+
Retailer 15
-
$1,151 SGD
$900 USD
View
B+
Retailer 16
-
$1,211 SGD
$947 USD
View
B+
Retailer 17
-
$1,261 SGD
A$1,518 AUD
View
B+
Retailer 18
-
$1,352 SGD
£833 GBP
View
Retailer 19
-
$1,552 SGD
$1,214 USD
View
Price last confirmed 61 days ago
B
Retailer 20
-
$1,577 SGD
$1,234 USD
View
Most Expensive
B
Brilliant Earth
14716708A · Oct 30
$2,557 SGD
$2,000 USD
View
20 more retailers have this diamond
Prices start from $272 SGDSave up to $2,285 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
1.00ct Radiant
$272 SGD