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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790612054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790612054

Diamond specifications and retailer prices

From $2,107 SGD
$1,648 USD
As of October 29, 2026
Save $2,474 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,433 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790612054 or 790612054. Listed at 20 retailers as of October 27, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790612054
Dimensions7.04 × 7.08 × 4.25 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 Type IIa
Top View
7.04 mm7.08 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790612054
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,450 SGD|Low: $2,022 SGD|High: $8,164 SGD|Avg: $3,732 SGD|+1.1%
Retailer 1
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 30, 2026
Retailer 17$2,107 SGD
Retailer 14$2,122 SGD
Retailer 7$2,292 SGD
Retailer 9$2,359 SGD
Retailer 2$2,444 SGD
Retailer 4$2,444 SGD
Retailer 6$2,607 SGD
Retailer 16$2,659 SGD
Retailer 1$3,450 SGD
Retailer 3$3,840 SGD
Retailer 12$3,861 SGD
Retailer 15$4,214 SGD
Retailer 13$4,334 SGD
Retailer 10$4,492 SGD
Retailer 8$4,581 SGD
Retailer 11$7,017 SGD
Retailer 5$8,164 SGD

43 data points across 17 retailers

20 retailers$2,107 SGD to $4,581 SGD

B+
Cheapest Retailer
-
$2,107 SGD
$1,648 USD
Retailer 2
-
$2,122 SGD
$1,660 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$2,292 SGD
$1,793 USD
View
B+
Retailer 4
-
$2,359 SGD
$1,845 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,444 SGD
$1,912 USD
View
Retailer 6
-
$2,444 SGD
$1,912 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,607 SGD
$2,039 USD
View
B+
Retailer 8
-
$2,659 SGD
$2,080 USD
View
B
Retailer 9
-
$2,815 SGD
HK$17,200 HKD
View
B
Retailer 10
-
$3,450 SGD
£2,125 GBP
View
B
Retailer 11
-
$3,840 SGD
$3,004 USD
View
B
Retailer 12
-
$3,861 SGD
€2,876 EUR
View
B
Retailer 13
-
$4,214 SGD
$3,296 USD
View
B
Retailer 14
-
$4,334 SGD
$3,390 USD
View
B
Retailer 15
-
$4,492 SGD
ZAR 56,770 ZAR
View
B
Retailer 16
-
$4,581 SGD
$3,583 USD
View
Retailer 17
-
$7,017 SGD
£4,322 GBP
View
Price under review
Most Expensive
Reve Diamonds
5B170FEB1 · Oct 30
$7,433 SGD
$5,814 USD
View
Price under review
17 more retailers have this diamond
Prices start from $2,107 SGDSave up to $2,474 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.

B+
1.28ct Round
$2,107 SGD