CaratHunter
Plans
Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816611920

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

Certificate IGI LG816611920

Diamond specifications and retailer prices

From $1,218 SGD
$953 USD
As of October 30, 2026
Save $4,381 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,599 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816611920 or 816611920. Listed at 8 retailers as of October 30, 2026, with prices from $1,218 to $5,599, a $4,381 spread on the same certified stone. Do Amore Diamonds lists it at $5,599. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611920
Dimensions8.49 × 5.84 × 3.93 mm
L/W Ratio1.45
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
8.49 mm5.84 mm1.67 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611920
Side View
Table 68.0%Crown 41.6°Girdle: MED-STKPavilionCulet: NoneDepth 67.3%

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: $5,599 SGD|Low: $649 SGD|High: $6,763 SGD|Avg: $2,788 SGD|-12.2%
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
October 31, 2026
Retailer 3$649 SGD
Retailer 6$707 SGD
Retailer 12$1,218 SGD
Retailer 2$1,221 SGD
Retailer 16$1,613 SGD
Retailer 5$1,716 SGD
Retailer 4$1,766 SGD
Retailer 9$1,918 SGD
Retailer 13$1,939 SGD
Retailer 15$2,582 SGD
Retailer 17$2,961 SGD
Retailer 7$3,546 SGD
Retailer 11$3,624 SGD
Retailer 8$4,206 SGD
Retailer 10$4,730 SGD
Retailer 14$5,094 SGD
Do Amore Diamonds$5,599 SGD

15 data points across 17 retailers

8 retailers$1,218 SGD to $5,599 SGD

A
Cheapest Retailer
-
$1,218 SGD
$953 USD
A
Retailer 2
-
$1,221 SGD
$955 USD
View
B+
Retailer 3
-
$1,939 SGD
$1,517 USD
View
B+
Retailer 4
-
$2,582 SGD
$2,019 USD
View
B
Retailer 5
-
$3,624 SGD
£2,232 GBP
View
B
Retailer 6
-
$4,730 SGD
$3,700 USD
View
B
Retailer 7
-
$5,094 SGD
$3,985 USD
View
Most Expensive
B
Do Amore Diamonds
27-397C0C158 · Oct 30
$5,599 SGD
$4,380 USD
View
7 more retailers have this diamond
Prices start from $1,218 SGDSave up to $4,381 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
1.67ct Radiant
$1,218 SGD