Round|Lab Grown|IGI

5.57ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG770608521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770608521

Diamond specifications and retailer prices

From $1,228 NZD
$692 USD
As of October 29, 2026
Save $7,005 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,233 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.57ct lab-grown round diamond

This 5.57ct 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 LG770608521 or 770608521. Listed at 22 retailers as of October 29, 2026, with prices from $1,228 to $8,233, a $7,005 spread on the same certified stone. Brilliant Earth lists it at $8,233. 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

5.57
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770608521
Dimensions11.42 × 11.48 × 6.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm11.48 mm5.57 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770608521
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

Caratlytics Score

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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 29
Current: $8,233 NZD|Low: $1,228 NZD|High: $8,250 NZD|Avg: $3,404 NZD|-0.2%
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
November 1, 2026
Retailer 3$1,228 NZD
Retailer 15$1,336 NZD
Retailer 12$1,425 NZD
Retailer 17$1,460 NZD
Retailer 5$1,739 NZD
Retailer 10$1,865 NZD
Retailer 8$2,040 NZD
Retailer 4$2,140 NZD
Retailer 11$2,274 NZD
Retailer 13$2,647 NZD
Retailer 16$3,194 NZD
Retailer 6$3,538 NZD
Retailer 14$4,005 NZD
Retailer 7$4,858 NZD
Retailer 2$5,595 NZD
Retailer 9$6,476 NZD
Brilliant Earth$8,233 NZD

34 data points across 17 retailers

22 retailers$1,228 NZD to $8,233 NZD

A
Cheapest Retailer
-
$1,228 NZD
$692 USD
A
Retailer 2
-
$1,336 NZD
$753 USD
View
A
Retailer 3
-
$1,425 NZD
$803 USD
View
A
Retailer 4
-
$1,460 NZD
$823 USD
View
Final sale: no returns
Retailer 5
-
$1,512 NZD
$852 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,512 NZD
$852 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,739 NZD
$980 USD
View
A
Retailer 8
-
$1,865 NZD
£827 GBP
View
B+
Retailer 9
-
$2,040 NZD
$1,150 USD
View
A
Retailer 10
-
$2,140 NZD
$1,206 USD
View
A
Retailer 11
-
$2,274 NZD
£1,009 GBP
View
A
Retailer 12
-
$2,647 NZD
€1,421 EUR
View
B+
Retailer 13
-
$3,194 NZD
$1,800 USD
View
B+
Retailer 14
-
$3,538 NZD
$1,994 USD
View
B
Retailer 15
-
$4,005 NZD
$2,257 USD
View
B+
Retailer 16
-
$4,611 NZD
$2,599 USD
View
B
Retailer 17
-
$4,858 NZD
$2,738 USD
View
Retailer 18
-
$5,209 NZD
$2,936 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$5,595 NZD
£2,483 GBP
View
Retailer 20
-
$6,476 NZD
$3,650 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$8,233 NZD
$4,640 USD
View
Most Expensive
B
Brilliant Earth
17548209A · Oct 31
$8,233 NZD
$4,640 USD
View
21 more retailers have this diamond
Prices start from $1,228 NZDSave up to $7,005 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
5.57ct Round
$1,228 NZD