Radiant|Natural|GIA

1.77ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1548098990

Certificate GIA 1548098990

Diamond specifications and retailer prices

From $11,690 USD
As of October 28, 2026
Save $9,104 USD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,794 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.77ct natural radiant diamond

This 1.77ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548098990. Listed at 13 retailers as of October 27, 2026, with prices from $11,690 to $20,794, a $9,104 spread on the same certified stone. NZ Jewellers lists it at $20,794. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.77
Carat
D
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548098990
Dimensions9.03 × 5.93 × 3.82 mm
L/W Ratio1.52
Top View
9.03 mm5.93 mm1.77 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548098990
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $20,794 USD|Low: $11,075 USD|High: $20,794 USD|Avg: $14,235 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7$11,100 USD
Retailer 8$12,183 USD
Retailer 11$12,477 USD
Retailer 9$13,308 USD
Retailer 12$13,516 USD
Retailer 10$13,851 USD
Retailer 13$14,036 USD
Retailer 3$14,480 USD
Retailer 4$14,480 USD
Retailer 2$14,519 USD
Retailer 5$14,960 USD
Retailer 6$15,198 USD
NZ Jewellers$20,794 USD

40 data points across 13 retailers

13 retailers$11,690 USD to $20,794 USD

Retailer 1
-
$11,100 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$11,690 USD
View
B+
Retailer 3
-
$12,183 USD
View
Final sale: no returns
B
Retailer 4
-
$13,308 USD
View
B
Retailer 5
-
$13,516 USD
View
B
Retailer 6
-
$13,851 USD
View
B
Retailer 7
-
$14,036 USD
View
B
Retailer 8
-
$14,480 USD
View
B
Retailer 9
-
$14,480 USD
View
B
Retailer 10
-
$14,519 USD
£11,433 GBP
View
B
Retailer 11
-
$14,960 USD
View
B
Retailer 12
-
$15,198 USD
€14,474 EUR
View
Most Expensive
B
NZ Jewellers
2bfbc3be-6e5f-4667-bd6e-49b5a79def50 · Oct 27
$20,794 USD
View
12 more retailers have this diamond
Prices start from $11,690 USDSave up to $9,104 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.

B+
1.77ct Radiant
$11,690 USD