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Radiant|Lab Grown|GIA

1.21ct E IF Radiant Lab Grown Diamond

ID • E/IF • GIA 1538700361

Certificate GIA 1538700361

Diamond specifications and retailer prices

From $3,578 NZD
$2,013 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $3,750 NZD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

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 stated by the retailer rather than the lab and certified by GIA 1538700361. Listed at 2 retailers as of October 31, 2026. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1538700361
Dimensions7.53 × 5.33 × 3.44 mm
L/W Ratio1.41
Girdle conditionPolished
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
7.53 mm5.33 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538700361
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $3,750 NZD|Low: $3,578 NZD|High: $4,541 NZD|Avg: $3,800 NZD|-3.2%
Brilliant Earth
Retailer 2
October 29, 2026
Retailer 2$3,578 NZD
Brilliant Earth$3,750 NZD

4 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
$3,578 NZD
$2,013 USD
Most Expensive
Brilliant Earth
16863746Y · Oct 22
$3,750 NZD
$2,110 USD
View
Price last confirmed 11 days ago
1 more retailer has this diamond
Prices start from $3,578 NZD

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.

B+
1.21ct Radiant
$3,578 NZD