Radiant|Lab Grown|IGI

1.28ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG691548677

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG691548677

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Oct 23, 2026 at $516 SGD
$516 SGDlast known price
$404 USD

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691548677 or 691548677. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548677
Dimensions7.40 × 5.32 × 3.69 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm5.32 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548677
Side View
Table 64.0%Crown 45.4°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 69.4%

Caratlytics Score

Price History

Last verified: Oct 23
Current: $633 SGD|Low: $130 SGD|High: $108,096 SGD|Avg: $1,029 SGD|-15.8%
77 Diamonds
Adiamor
B2C Jewels
Loose Grown Diamond
MOH London
Nova Diamonds
Novita Diamonds
Rare Carat
Taylor and Hart
October 8, 2026
Adiamor$516 SGD
Loose Grown Diamond$547 SGD
B2C Jewels$632 SGD
77 Diamonds$633 SGD
Rare Carat$876 SGD
Novita Diamonds$914 SGD
Nova Diamonds$1,049 SGD
Taylor and Hart$1,338 SGD
MOH London$1,411 SGD

152 data points across 9 retailers

Historical Listings

Adiamor
D-81797880 · Oct 23
$516 SGD
$404 USD
View
Loose Grown Diamond
691548677 · Oct 4
$547 SGD
$428 USD
View
77 Diamonds
RADPUIFSUJTM3MX8 · Sep 2
$613 SGD
£377 GBP
View
B2C Jewels
29004664 · Oct 5
$632 SGD
$494 USD
View
77 Diamonds
RADPUIFSSNCT5SXA · Oct 5
$633 SGD
£390 GBP
View
Rare Carat
GRRA00621 · Sep 28
$876 SGD
$685 USD
View
Novita Diamonds
cert_691548677 · Oct 5
$914 SGD
A$1,100 AUD
View
Nova Diamonds
60DDEEA9B · May 18
$1,049 SGD
£646 GBP
View
Taylor and Hart
S9BOKG9 · Oct 4
$1,338 SGD
$1,046 USD
View
MOH London
LG691548677 · Oct 4
$1,411 SGD
£869 GBP
View

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.

1.28ct F VVS2 Radiant Lab-Grown Diamond (Sold), IGI LG691548677