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Radiant|Lab Grown|GIA

3.18ct E IF Radiant Lab Grown Diamond

ID • E/IF • GIA 2517576614

Certificate GIA 2517576614

Diamond specifications and retailer prices

From $4,538 NZD
$2,549 USD
As of October 30, 2026
Save $14,139 NZD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,677 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.18ct lab-grown radiant diamond

This 3.18ct lab-grown radiant sits in the three to five 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 2517576614. Listed at 10 retailers as of October 29, 2026, with prices from $4,538 to $18,677, a $14,139 spread on the same certified stone. Brilliant Earth lists it at $18,677. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.18
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2517576614
Dimensions9.87 × 7.31 × 5.15 mm
L/W Ratio1.35
Top View
9.87 mm7.31 mm3.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517576614
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $18,677 NZD|Low: $5,265 NZD|High: $20,207 NZD|Avg: $12,649 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$5,265 NZD
Retailer 5$10,013 NZD
Retailer 2$13,493 NZD
Retailer 3$14,807 NZD
Brilliant Earth$18,677 NZD

11 data points across 5 retailers

10 retailers$4,538 NZD to $18,677 NZD

A
Cheapest Retailer
-
$4,538 NZD
$2,549 USD
A
Retailer 2
-
$4,937 NZD
$2,773 USD
View
A
Retailer 3
-
$5,083 NZD
$2,855 USD
View
Final sale: no returns
A
Retailer 4
-
$5,265 NZD
$2,957 USD
View
B+
Retailer 5
-
$7,987 NZD
$4,486 USD
View
B+
Retailer 6
-
$10,013 NZD
£4,428 GBP
View
B+
Retailer 7
-
$13,493 NZD
ZAR 122,429 ZAR
View
B
Retailer 8
-
$13,501 NZD
$7,583 USD
View
B+
Retailer 9
-
$14,807 NZD
£6,548 GBP
View
Most Expensive
B
Brilliant Earth
13408419Y · Oct 29
$18,677 NZD
$10,490 USD
View
9 more retailers have this diamond
Prices start from $4,538 NZDSave up to $14,139 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.

A
3.18ct Radiant
$4,538 NZD