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Round|Lab Grown|IGI

6.70ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG577399243

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577399243

Diamond specifications and retailer prices

From $1,927 NZD
$1,086 USD
As of November 1, 2026
Save $10,724 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,651 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.7ct lab-grown round diamond

This 6.7ct 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 LG577399243 or 577399243. Listed at 22 retailers as of October 31, 2026, with prices from $1,927 to $12,651, a $10,724 spread on the same certified stone. Brilliant Earth lists it at $12,651. 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

6.70
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577399243
Dimensions12.01 × 12.07 × 7.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.01 mm12.07 mm6.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577399243
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: $12,651 NZD|Low: $1,870 NZD|High: $16,909 NZD|Avg: $5,176 NZD|-25.2%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 7$1,927 NZD
Retailer 22$2,097 NZD
Retailer 11$2,159 NZD
Retailer 3$2,236 NZD
Retailer 5$2,236 NZD
Retailer 18$2,546 NZD
Retailer 4$2,941 NZD
Retailer 8$3,086 NZD
Retailer 17$3,219 NZD
Retailer 2$3,227 NZD
Retailer 12$3,559 NZD
Retailer 13$4,143 NZD
Retailer 6$4,191 NZD
Retailer 19$4,326 NZD
Retailer 9$4,535 NZD
Retailer 10$5,240 NZD
Retailer 15$6,474 NZD
Retailer 14$6,804 NZD
Retailer 20$7,623 NZD
Retailer 16$7,813 NZD
Retailer 23$9,262 NZD
Retailer 21$11,774 NZD
Brilliant Earth$12,651 NZD

33 data points across 23 retailers

22 retailers$1,927 NZD to $12,651 NZD

A
Cheapest Retailer
-
$1,927 NZD
$1,086 USD
A
Retailer 2
-
$2,097 NZD
$1,182 USD
View
A
Retailer 3
-
$2,236 NZD
$1,260 USD
View
Retailer 4
-
$2,236 NZD
$1,260 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$2,546 NZD
$1,435 USD
View
Retailer 6
-
$2,941 NZD
£1,305 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$3,086 NZD
$1,739 USD
View
A
Retailer 8
-
$3,219 NZD
€1,728 EUR
View
A
Retailer 9
-
$3,227 NZD
£1,432 GBP
View
B+
Retailer 10
-
$3,559 NZD
$2,006 USD
View
B+
Retailer 11
-
$4,143 NZD
A$3,592 AUD
View
B+
Retailer 12
-
$4,191 NZD
$2,362 USD
View
B+
Retailer 13
-
$4,326 NZD
ZAR 39,390 ZAR
View
B+
Retailer 14
-
$4,535 NZD
$2,556 USD
View
B+
Retailer 15
-
$5,240 NZD
$2,953 USD
View
B
Retailer 16
-
$6,474 NZD
$3,649 USD
View
Retailer 17
-
$6,804 NZD
$3,835 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$7,623 NZD
£3,383 GBP
View
B
Retailer 19
-
$7,813 NZD
$4,404 USD
View
Retailer 20
-
$9,262 NZD
$5,220 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$11,774 NZD
$6,636 USD
View
Most Expensive
B
Brilliant Earth
7625062A · Oct 31
$12,651 NZD
$7,130 USD
View
21 more retailers have this diamond
Prices start from $1,927 NZDSave up to $10,724 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
6.70ct Round
$1,927 NZD