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Round|Lab Grown|GIA

2.78ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6532728808

Certificate GIA 6532728808

Diamond specifications and retailer prices

From $3,073 NZD
$1,732 USD
As of October 29, 2026
Save $20,223 NZD (87%) vs most expensive(unlock to see where)
21 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 6532728808. Listed at 21 retailers as of October 29, 2026, with prices from $3,073 to $23,297, a $20,223 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°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6532728808
Dimensions8.98 × 9.01 × 5.56 mm
L/W Ratio1.00
Top View
8.98 mm9.01 mm2.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532728808
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 29
Current: $23,297 NZD|Low: $2,951 NZD|High: $24,024 NZD|Avg: $10,409 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17$3,073 NZD
Retailer 18$3,565 NZD
Retailer 19$3,565 NZD
Retailer 10$3,716 NZD
Retailer 16$3,770 NZD
Retailer 4$4,017 NZD
Retailer 6$4,095 NZD
Retailer 5$5,009 NZD
Retailer 14$5,943 NZD
Retailer 15$8,162 NZD
Retailer 3$10,472 NZD
Retailer 12$11,298 NZD
Retailer 8$11,978 NZD
Retailer 9$13,780 NZD
Retailer 2$17,637 NZD
Retailer 13$17,637 NZD
Retailer 11$19,533 NZD
Retailer 7$21,150 NZD
Brilliant Earth$23,297 NZD

28 data points across 19 retailers

21 retailers$3,073 NZD to $23,297 NZD

A
Cheapest Retailer
-
$3,073 NZD
$1,732 USD
A
Retailer 2
-
$3,343 NZD
$1,884 USD
View
Retailer 3
-
$3,565 NZD
$2,009 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$3,565 NZD
$2,009 USD
View
A
Retailer 5
-
$3,770 NZD
$2,125 USD
View
A
Retailer 6
-
$4,017 NZD
$2,264 USD
View
A
Retailer 7
-
$4,095 NZD
$2,308 USD
View
B+
Retailer 8
-
$5,009 NZD
$2,823 USD
View
B+
Retailer 9
-
$5,943 NZD
€3,190 EUR
View
B+
Retailer 10
-
$7,376 NZD
$4,157 USD
View
B+
Retailer 11
-
$8,162 NZD
$4,600 USD
View
B+
Retailer 12
-
$9,086 NZD
$5,121 USD
View
B
Retailer 13
-
$10,472 NZD
$5,902 USD
View
B+
Retailer 14
-
$11,298 NZD
£5,014 GBP
View
B
Retailer 15
-
$11,978 NZD
$6,751 USD
View
B
Retailer 16
-
$13,780 NZD
$7,767 USD
View
B
Retailer 17
-
$17,637 NZD
$9,940 USD
View
B
Retailer 18
-
$17,637 NZD
$9,940 USD
View
B
Retailer 19
-
$19,533 NZD
$11,009 USD
View
B
Retailer 20
-
$21,150 NZD
$11,920 USD
View
Most Expensive
B
Brilliant Earth
17907083A · Oct 31
$23,297 NZD
$13,130 USD
View
20 more retailers have this diamond
Prices start from $3,073 NZDSave up to $20,223 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
$3,073 NZD