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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

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

Certificate IGI LG816623945

Diamond specifications and retailer prices

From $413 SGD
$323 USD
As of October 30, 2026
Save $3,013 SGD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,426 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816623945 or 816623945. Listed at 19 retailers as of October 30, 2026, with prices from $413 to $3,426, a $3,013 spread on the same certified stone. Brilliant Earth lists it at $3,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
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
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

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: $3,426 SGD|Low: $398 SGD|High: $3,426 SGD|Avg: $1,141 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
October 31, 2026
Retailer 10$413 SGD
Retailer 4$462 SGD
Retailer 11$513 SGD
Retailer 7$710 SGD
Retailer 12$832 SGD
Retailer 9$863 SGD
Retailer 6$881 SGD
Retailer 2$916 SGD
Retailer 5$1,252 SGD
Retailer 3$1,987 SGD
Retailer 8$2,057 SGD
Brilliant Earth$3,426 SGD

43 data points across 12 retailers

19 retailers$413 SGD to $3,426 SGD

A
Cheapest Retailer
-
$413 SGD
$323 USD
A
Retailer 2
-
$462 SGD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$479 SGD
$375 USD
View
A
Retailer 4
-
$513 SGD
$401 USD
View
A
Retailer 5
-
$513 SGD
$401 USD
View
A
Retailer 6
-
$710 SGD
$555 USD
View
B+
Retailer 7
-
$781 SGD
$611 USD
View
B+
Retailer 8
-
$832 SGD
$651 USD
View
Retailer 9
-
$863 SGD
€643 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$881 SGD
ZAR 11,133 ZAR
View
B+
Retailer 11
-
$916 SGD
£564 GBP
View
B+
Retailer 12
-
$1,252 SGD
$979 USD
View
B+
Retailer 13
-
$1,369 SGD
View
B
Retailer 14
-
$1,648 SGD
$1,289 USD
View
B
Retailer 15
-
$1,706 SGD
$1,334 USD
View
B
Retailer 16
-
$1,987 SGD
£1,224 GBP
View
B
Retailer 17
-
$2,029 SGD
$1,587 USD
View
B
Retailer 18
-
$2,057 SGD
£1,267 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 30
$3,426 SGD
$2,680 USD
View
18 more retailers have this diamond
Prices start from $413 SGDSave up to $3,013 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
1.03ct Radiant
$413 SGD