Round|Lab Grown|GIA

2.78ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 7538315690

Certificate GIA 7538315690

Diamond specifications and retailer prices

From $3,612 NZD
$2,036 USD
As of November 1, 2026
Save $19,684 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,297 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round 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 and certified by GIA 7538315690. Listed at 11 retailers as of October 31, 2026, with prices from $3,612 to $23,297, a $19,684 spread on the same certified stone. Brilliant Earth lists it at $23,297. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7538315690
Dimensions8.96 × 9.01 × 5.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Top View
8.96 mm9.01 mm2.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538315690
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: Nov 1
Current: $23,297 NZD|Low: $3,261 NZD|High: $24,024 NZD|Avg: $9,341 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$3,261 NZD
Retailer 8$3,612 NZD
Retailer 6$4,684 NZD
Retailer 5$5,105 NZD
Retailer 7$5,490 NZD
Retailer 3$6,377 NZD
Retailer 10$8,276 NZD
Retailer 2$10,228 NZD
Retailer 12$10,758 NZD
Retailer 4$12,258 NZD
Retailer 9$19,233 NZD
Brilliant Earth$23,297 NZD

19 data points across 12 retailers

11 retailers$3,612 NZD to $23,297 NZD

Retailer 1
-
$2,844 NZD
$1,603 USD
Price last confirmed 33 days ago
Retailer 2
-
$3,094 NZD
$1,744 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$3,612 NZD
$2,036 USD
View
B+
Retailer 4
-
$4,684 NZD
$2,640 USD
View
B+
Retailer 5
-
$5,105 NZD
$2,877 USD
View
A
Retailer 6
-
$5,490 NZD
$3,094 USD
View
Retailer 7
-
$6,826 NZD
$3,847 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
$8,276 NZD
$4,664 USD
View
B+
Retailer 9
-
$10,228 NZD
£4,539 GBP
View
B
Retailer 10
-
$19,233 NZD
$10,840 USD
View
Most Expensive
B
Brilliant Earth
21411889Y · Oct 31
$23,297 NZD
$13,130 USD
View
10 more retailers have this diamond
Prices start from $3,612 NZDSave up to $19,684 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 Round
$3,612 NZD