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Round|Lab Grown|IGI

6.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG608398191

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398191

Diamond specifications and retailer prices

From $1,179 SGD
$922 USD
As of November 1, 2026
Save $6,990 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,169 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.51ct lab-grown round diamond

This 6.51ct 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 LG608398191 or 608398191. Listed at 22 retailers as of October 31, 2026, with prices from $1,179 to $8,169, a $6,990 spread on the same certified stone. Brilliant Earth lists it at $8,169. 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

6.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398191
Dimensions11.93 × 11.85 × 7.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.93 mm11.85 mm6.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398191
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.2%

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: $8,169 SGD|Low: $1,179 SGD|High: $8,169 SGD|Avg: $3,170 SGD
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
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 8$1,179 SGD
Retailer 20$1,282 SGD
Retailer 3$1,321 SGD
Retailer 4$1,368 SGD
Retailer 6$1,368 SGD
Retailer 17$1,592 SGD
Retailer 5$1,799 SGD
Retailer 9$1,988 SGD
Retailer 2$2,099 SGD
Retailer 11$2,192 SGD
Retailer 16$2,255 SGD
Retailer 18$2,534 SGD
Retailer 19$2,646 SGD
Retailer 21$3,043 SGD
Retailer 10$3,522 SGD
Retailer 7$3,844 SGD
Retailer 12$4,264 SGD
Retailer 14$4,279 SGD
Retailer 13$4,637 SGD
Retailer 15$4,755 SGD
Retailer 22$6,654 SGD
Brilliant Earth$8,169 SGD

36 data points across 22 retailers

22 retailers$1,179 SGD to $8,169 SGD

A
Cheapest Retailer
-
$1,179 SGD
$922 USD
A
Retailer 2
-
$1,282 SGD
$1,003 USD
View
A
Retailer 3
-
$1,321 SGD
$1,033 USD
View
Final sale: no returns
A
Retailer 4
-
$1,368 SGD
$1,070 USD
View
Retailer 5
-
$1,368 SGD
$1,070 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,592 SGD
$1,245 USD
View
Retailer 7
-
$1,799 SGD
£1,108 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$1,988 SGD
$1,555 USD
View
A
Retailer 9
-
$2,099 SGD
£1,293 GBP
View
B+
Retailer 10
-
$2,192 SGD
$1,715 USD
View
A
Retailer 11
-
$2,255 SGD
€1,680 EUR
View
B+
Retailer 12
-
$2,534 SGD
A$3,049 AUD
View
B+
Retailer 13
-
$2,646 SGD
ZAR 33,438 ZAR
View
B+
Retailer 14
-
$3,043 SGD
$2,380 USD
View
B+
Retailer 15
-
$3,522 SGD
$2,755 USD
View
B+
Retailer 16
-
$3,844 SGD
$3,007 USD
View
Retailer 17
-
$4,264 SGD
$3,335 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$4,279 SGD
$3,347 USD
View
B
Retailer 19
-
$4,637 SGD
£2,856 GBP
View
B
Retailer 20
-
$4,755 SGD
$3,719 USD
View
Retailer 21
-
$6,654 SGD
$5,205 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
8778208A · Oct 31
$8,169 SGD
$6,390 USD
View
21 more retailers have this diamond
Prices start from $1,179 SGDSave up to $6,990 SGD

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
6.51ct Round
$1,179 SGD