Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG770607549

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

Certificate IGI LG770607549

Diamond specifications and retailer prices

From $184 USD
As of October 30, 2026
Save $1,586 USD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,770 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770607549 or 770607549. Listed at 20 retailers as of October 30, 2026, with prices from $184 to $1,770, a $1,586 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770607549
Dimensions7.80 × 5.37 × 3.50 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.80 mm5.37 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770607549
Side View
Table 63.0%Crown 37.9°Girdle: MediumPavilion 33.4°Culet: NoneDepth 65.2%

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: Oct 30
Current: $1,770 USD|Low: $184 USD|High: $1,770 USD|Avg: $671 USD
Do Amore Diamonds
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
October 31, 2026
Retailer 3$184 USD
Retailer 9$206 USD
Retailer 20$213 USD
Retailer 4$228 USD
Retailer 11$402 USD
Retailer 15$433 USD
Retailer 2$459 USD
Retailer 8$462 USD
Retailer 7$551 USD
Retailer 16$616 USD
Retailer 19$634 USD
Retailer 5$810 USD
Retailer 17$937 USD
Retailer 10$982 USD
Retailer 6$991 USD
Retailer 12$1,023 USD
Retailer 18$1,060 USD
Retailer 13$1,150 USD
Retailer 14$1,184 USD
Do Amore Diamonds$1,770 USD

44 data points across 20 retailers

20 retailers$184 USD to $1,770 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$213 USD
View
A
Retailer 4
-
$228 USD
View
A
Retailer 5
-
$402 USD
View
A
Retailer 6
-
$433 USD
ZAR 6,988 ZAR
View
A
Retailer 7
-
$459 USD
£361 GBP
View
A
Retailer 8
-
$462 USD
View
B+
Retailer 9
-
$551 USD
View
B+
Retailer 10
-
$616 USD
A$947 AUD
View
B+
Retailer 11
-
$634 USD
View
B+
Retailer 12
-
$810 USD
View
B
Retailer 13
-
$937 USD
A$1,441 AUD
View
B
Retailer 14
-
$982 USD
View
B
Retailer 15
-
$991 USD
£780 GBP
View
B
Retailer 16
-
$1,023 USD
SGD 1,383 SGD
View
Retailer 17
-
$1,060 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,150 USD
View
B
Retailer 19
-
$1,184 USD
£932 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ECF518840 · Oct 31
$1,770 USD
View
19 more retailers have this diamond
Prices start from $184 USDSave up to $1,586 USD

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
1.23ct Radiant
$184 USD