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Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG651411202

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

Certificate IGI LG651411202

Diamond specifications and retailer prices

From $256 SGD
$200 USD
As of October 30, 2026
Save $2,602 SGD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,857 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG651411202 or 651411202. Listed at 25 retailers as of October 27, 2026, with prices from $256 to $2,857, a $2,602 spread on the same certified stone. Queensmith lists it at $2,857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651411202
Dimensions7.90 × 5.43 × 3.49 mm
L/W Ratio1.45
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
7.90 mm5.43 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651411202
Side View
Table 62.0%Crown 38.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 64.3%

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: $372 SGD|Low: $256 SGD|High: $2,455 SGD|Avg: $929 SGD|-0.2%
Retailer 1
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Retailer 23
October 30, 2026
Retailer 23$256 SGD
Retailer 10$286 SGD
Retailer 20$298 SGD
Retailer 5$318 SGD
Retailer 11$318 SGD
Retailer 1$372 SGD
Retailer 8$453 SGD
Retailer 14$491 SGD
Retailer 18$603 SGD
Retailer 3$630 SGD
Retailer 12$653 SGD
Retailer 22$772 SGD
Retailer 19$858 SGD
Retailer 4$1,025 SGD
Retailer 2$1,128 SGD
Retailer 15$1,347 SGD
Retailer 9$1,364 SGD
Retailer 13$1,397 SGD
Retailer 17$1,413 SGD
Retailer 7$1,528 SGD
Retailer 21$1,866 SGD
Retailer 16$2,416 SGD
Retailer 6$2,455 SGD

36 data points across 23 retailers

25 retailers$256 SGD to $2,857 SGD

A
Cheapest Retailer
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$256 SGD
$200 USD
A
Retailer 2
-
$286 SGD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$298 SGD
$233 USD
View
A
Retailer 4
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$318 SGD
$249 USD
View
A
Retailer 5
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$318 SGD
$249 USD
View
A
Retailer 6
-
$372 SGD
£229 GBP
View
B+
Retailer 7
-
$453 SGD
$354 USD
View
A
Retailer 8
-
$491 SGD
HK$3,000 HKD
View
A
Retailer 9
-
$603 SGD
ZAR 7,614 ZAR
View
A
Retailer 10
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$630 SGD
$493 USD
View
A
Retailer 11
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$653 SGD
£402 GBP
View
A
Retailer 12
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$772 SGD
$604 USD
View
A
Retailer 13
-
$858 SGD
A$1,032 AUD
View
B+
Retailer 14
-
$1,025 SGD
$802 USD
View
B+
Retailer 15
-
$1,128 SGD
$882 USD
View
B+
Retailer 16
-
$1,347 SGD
$1,054 USD
View
B+
Retailer 17
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$1,364 SGD
£840 GBP
View
B+
Retailer 18
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$1,397 SGD
View
B+
Retailer 19
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$1,413 SGD
£870 GBP
View
B
Retailer 20
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$1,528 SGD
$1,195 USD
View
Retailer 21
-
$1,866 SGD
$1,460 USD
View
Price last confirmed 9 days ago
Retailer 22
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$1,879 SGD
$1,470 USD
View
Price last confirmed 16 days ago
B
Retailer 23
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$2,416 SGD
$1,890 USD
View
B
Retailer 24
-
$2,455 SGD
$1,920 USD
View
Most Expensive
B
Queensmith
LG651411202 · Oct 27
$2,857 SGD
£1,760 GBP
View
24 more retailers have this diamond
Prices start from $256 SGDSave up to $2,602 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
1.21ct Radiant
$256 SGD