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Round|Lab Grown|IGI

10.78ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG817695525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817695525

Diamond specifications and retailer prices

From $3,384 AUD
£1,872 GBP
As of October 30, 2026
Save $26,212 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $29,597 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.78ct lab-grown round diamond

This 10.78ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817695525 or 817695525. Listed at 12 retailers as of October 30, 2026, with prices from $3,384 to $29,597, a $26,212 spread on the same certified stone. Brilliant Earth lists it at $29,597. 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

10.78
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695525
Dimensions14.33 × 14.23 × 8.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.33 mm14.23 mm10.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695525
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $29,597 AUD|Low: $3,384 AUD|High: $29,625 AUD|Avg: $9,145 AUD|+0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$3,384 AUD
Retailer 5$4,086 AUD
Retailer 3$5,116 AUD
Retailer 4$5,248 AUD
Retailer 6$5,494 AUD
Retailer 2$5,709 AUD
Retailer 11$7,466 AUD
Retailer 8$8,218 AUD
Retailer 9$8,310 AUD
Retailer 10$9,386 AUD
Retailer 12$19,532 AUD
Brilliant Earth$29,597 AUD

38 data points across 12 retailers

12 retailers$3,384 AUD to $29,597 AUD

A
Cheapest Retailer
-
$3,384 AUD
£1,872 GBP
A
Retailer 2
-
$4,086 AUD
$2,870 USD
View
A
Retailer 3
-
$5,116 AUD
$3,594 USD
View
A
Retailer 4
-
$5,248 AUD
$3,687 USD
View
A
Retailer 5
-
$5,494 AUD
$3,859 USD
View
A
Retailer 6
-
$5,709 AUD
€3,819 EUR
View
Retailer 7
-
$7,466 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$8,218 AUD
$5,773 USD
View
B+
Retailer 9
-
$8,310 AUD
$5,837 USD
View
B+
Retailer 10
-
$9,386 AUD
$6,593 USD
View
B
Retailer 11
-
$19,532 AUD
$13,720 USD
View
Most Expensive
B
Brilliant Earth
21034507A · Oct 31
$29,597 AUD
$20,790 USD
View
11 more retailers have this diamond
Prices start from $3,384 AUDSave up to $26,212 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
10.78ct Round
$3,384 AUD