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Round|Lab Grown|IGI

20.03ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG805634414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805634414

Diamond specifications and retailer prices

From $10,811 AUD
£5,980 GBP
As of November 1, 2026
Save $37,520 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $48,331 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.03ct lab-grown round diamond

This 20.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805634414 or 805634414. Listed at 15 retailers as of October 31, 2026, with prices from $10,811 to $48,331, a $37,520 spread on the same certified stone. Brilliant Earth lists it at $48,331. 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

20.03
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805634414
Dimensions17.45 × 17.37 × 10.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.45 mm17.37 mm20.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805634414
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.7%

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: $48,331 AUD|Low: $10,807 AUD|High: $48,331 AUD|Avg: $20,061 AUD
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
November 1, 2026
Retailer 2$10,811 AUD
Retailer 13$11,604 AUD
Retailer 5$12,068 AUD
Retailer 4$12,783 AUD
Retailer 14$13,460 AUD
Retailer 15$13,460 AUD
Retailer 10$13,467 AUD
Retailer 11$14,973 AUD
Retailer 12$15,019 AUD
Retailer 3$15,139 AUD
Retailer 8$16,538 AUD
Retailer 9$27,921 AUD
Retailer 6$33,294 AUD
Retailer 7$43,463 AUD
Brilliant Earth$48,331 AUD

43 data points across 15 retailers

15 retailers$10,811 AUD to $48,331 AUD

A
Cheapest Retailer
-
$10,811 AUD
£5,980 GBP
A
Retailer 2
-
$11,604 AUD
$8,151 USD
View
A
Retailer 3
-
$12,068 AUD
$8,477 USD
View
A
Retailer 4
-
$12,783 AUD
$8,979 USD
View
B+
Retailer 5
-
$13,460 AUD
$9,455 USD
View
Retailer 6
-
$13,460 AUD
$9,455 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$13,467 AUD
$9,460 USD
View
B+
Retailer 8
-
$14,973 AUD
$10,518 USD
View
B+
Retailer 9
-
$15,019 AUD
$10,550 USD
View
B+
Retailer 10
-
$15,139 AUD
$10,634 USD
View
B+
Retailer 11
-
$16,538 AUD
£9,147 GBP
View
B
Retailer 12
-
$27,921 AUD
€18,679 EUR
View
B
Retailer 13
-
$33,294 AUD
$23,387 USD
View
B
Retailer 14
-
$43,463 AUD
$30,530 USD
View
Most Expensive
B
Brilliant Earth
20208502A · Oct 31
$48,331 AUD
$33,950 USD
View
14 more retailers have this diamond
Prices start from $10,811 AUDSave up to $37,520 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
20.03ct Round
$10,811 AUD