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Radiant|Lab Grown|GIA

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • GIA 3505745711

Certificate GIA 3505745711

Diamond specifications and retailer prices

From $3,659 NZD
$2,062 USD
As of October 30, 2026
Save $21,519 NZD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $25,177 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded D 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 3505745711. Listed at 8 retailers as of October 30, 2026, with prices from $3,659 to $25,177, a $21,519 spread on the same certified stone. Do Amore Diamonds lists it at $25,177. 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

2.78
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 3505745711
Dimensions9.86 × 7.02 × 4.77 mm
L/W Ratio1.40
Top View
9.86 mm7.02 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505745711
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
A+
Exceptional
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: $25,177 NZD|Low: $3,511 NZD|High: $25,177 NZD|Avg: $10,606 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$3,659 NZD
Retailer 7$3,980 NZD
Retailer 5$4,244 NZD
Retailer 8$4,313 NZD
Retailer 6$6,439 NZD
Retailer 2$12,777 NZD
Retailer 3$17,761 NZD
Do Amore Diamonds$25,177 NZD

14 data points across 8 retailers

8 retailers$3,659 NZD to $25,177 NZD

A+
Cheapest Retailer
-
$3,659 NZD
$2,062 USD
A
Retailer 2
-
$3,980 NZD
$2,243 USD
View
A
Retailer 3
-
$4,244 NZD
$2,392 USD
View
Retailer 4
-
$4,244 NZD
$2,392 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$6,439 NZD
$3,629 USD
View
B+
Retailer 6
-
$12,777 NZD
£5,670 GBP
View
B
Retailer 7
-
$17,761 NZD
$10,010 USD
View
Most Expensive
B
Do Amore Diamonds
27-433DBE2B0 · Oct 31
$25,177 NZD
$14,190 USD
View
7 more retailers have this diamond
Prices start from $3,659 NZDSave up to $21,519 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+
2.78ct Radiant
$3,659 NZD