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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 $2,466 AUD
$1,732 USD
As of October 29, 2026
Save $16,226 AUD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $18,692 AUD 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 $2,466 to $18,692, a $16,226 spread on the same certified stone. Brilliant Earth lists it at $18,692. 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: $18,692 AUD|Low: $2,367 AUD|High: $19,276 AUD|Avg: $8,352 AUD|-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$2,466 AUD
Retailer 18$2,860 AUD
Retailer 19$2,860 AUD
Retailer 10$2,982 AUD
Retailer 16$3,025 AUD
Retailer 4$3,223 AUD
Retailer 6$3,286 AUD
Retailer 5$4,019 AUD
Retailer 14$4,768 AUD
Retailer 15$6,549 AUD
Retailer 3$8,402 AUD
Retailer 12$9,065 AUD
Retailer 8$9,611 AUD
Retailer 9$11,057 AUD
Retailer 2$14,151 AUD
Retailer 13$14,151 AUD
Retailer 11$15,672 AUD
Retailer 7$16,969 AUD
Brilliant Earth$18,692 AUD

28 data points across 19 retailers

21 retailers$2,466 AUD to $18,692 AUD

A
Cheapest Retailer
-
$2,466 AUD
$1,732 USD
A
Retailer 2
-
$2,682 AUD
$1,884 USD
View
Retailer 3
-
$2,860 AUD
$2,009 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$2,860 AUD
$2,009 USD
View
A
Retailer 5
-
$3,025 AUD
$2,125 USD
View
A
Retailer 6
-
$3,223 AUD
$2,264 USD
View
A
Retailer 7
-
$3,286 AUD
$2,308 USD
View
B+
Retailer 8
-
$4,019 AUD
$2,823 USD
View
B+
Retailer 9
-
$4,768 AUD
€3,190 EUR
View
B+
Retailer 10
-
$5,918 AUD
$4,157 USD
View
B+
Retailer 11
-
$6,549 AUD
$4,600 USD
View
B+
Retailer 12
-
$7,290 AUD
$5,121 USD
View
B
Retailer 13
-
$8,402 AUD
$5,902 USD
View
B+
Retailer 14
-
$9,065 AUD
£5,014 GBP
View
B
Retailer 15
-
$9,611 AUD
$6,751 USD
View
B
Retailer 16
-
$11,057 AUD
$7,767 USD
View
B
Retailer 17
-
$14,151 AUD
$9,940 USD
View
B
Retailer 18
-
$14,151 AUD
$9,940 USD
View
B
Retailer 19
-
$15,672 AUD
$11,009 USD
View
B
Retailer 20
-
$16,969 AUD
$11,920 USD
View
Most Expensive
B
Brilliant Earth
17907083A · Oct 31
$18,692 AUD
$13,130 USD
View
20 more retailers have this diamond
Prices start from $2,466 AUDSave up to $16,226 AUD

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
$2,466 AUD